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In this worksheet, we are going to draw the window for the labor assignment.

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So on this page, you will find this square, the rectangle.

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So this rectangle's size is, you can read it here, is an A4.

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okay so and in this case you have the midpoint here and at the bottom already marked okay so

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we are going to connect these two points with

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a slight line we don't need the whole of it okay so i'm just going to mark

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because we are going to need it later here a line and here below

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So, just there below, I'm going to mark here just a very soft line, okay?

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Because we are going to need later the midpoint.

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Good.

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Here below, we are going to mark 10 millimeters,

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because we need a parallel line to the bottom, to the side of the paper,

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at 10 millimeters so if you have an a4 imagine this is the side of the paper okay and if you

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have this rectangle you leave 10 millimeters up so we connect these two points at 10 millimeters

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that's it and we are going to leave 17 millimeters from the margin this is for a4 okay if you have

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an a4 plus you will need 23 okay so now we are going to mark here we are going to mark

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Now, from the side of the paper, if you have an A4, you need 17, 1.7, okay? And on the other side, you will need the same, 1.7. Okay? Great.

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Now, we will erase this later, but from this mark at 10 millimeters, we need another 13.5.

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Okay, so from this point up, you need 13.5.

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Okay, that is 13.5.

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And on the other side, we are going to do the same.

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So from the mark of 10, we need another 13.5.

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Okay, great. We are going to connect these two points, something like that. There. Okay, so this height is 13.5. Okay, good.

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Anyway, the measurements you have on the aula virtual, on the assignment, on the aula virtual,

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you have all the measurements in case you forget one of them.

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Okay?

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Anyway, I'm going to mark here.

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You don't have to do it on your page, but this is going to be 17 or 23.

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If you have an A4+, that is the idea, and here you are going to leave 10.

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That is the idea.

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Okay, great.

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So in order to close the rectangle we need, we are going to mark again 17 here and 17 on the other side.

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17 there.

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we are going to connect everything up and we will close we will close a rectangle

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you can see here that is 10 millimeters from above from the side from the lower side of the paper

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17 from both margins

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And 13.5 total height

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So this height is going to be 13.5 mm

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Good, so here we have the rectangle

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Once we have that, we are going to draw parallels

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inside this rectangle five millimeters from three of the sides not the top one but the other three

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okay so we are going to measure again five millimeters

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on the right side five here below five again here in the corner five again

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on the other corner the same five five and in this corner five again and here we placed before

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the midpoint of the whole segment there that is the midpoint so we are going to need here

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on the middle okay we are going to need another five millimeters column so here i'm going to

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measure from the midpoint i'm going to zoom a little bit so i will place 2.5 and 2.5 to each

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side and there on top you place a midpoint you can measure if you need and we are going to place

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measure 2.5 2.5 there okay so again we have used the midpoints

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there on top

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and at the bottom

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we connect

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and we place this midpoint

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and that midpoint

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ok, so I'm going to outline

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everything out

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connecting

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5 millimeters apart

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from the

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different sides

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so you

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get

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parallel lines

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five millimeters apart from the previous rectangle there this one and this one so that is the final

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appearance of the first part so we got the previous rectangle and inside five millimeters

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five millimeters up five millimeters in and here using the midpoints five millimeters centered

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that is really important okay great i have named these six points with letters so we understand

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each other explaining the procedure so right now we are going to draw the two

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first arches to do that you're going to use the centers so we are going to need

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a first so you place a compass on a and we are going to draw two arches passing

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through D and C so first couple of arches go from A to D and then we change

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to C okay they are parallel and they share the same sensor then we are going

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do Swift to D I'm going to get a little bit closer so I'm going to go to D place

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the compass on D and you draw the symmetric arc and from D you change the

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radius to A and do the same so you will get this first window okay you close the

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first couple of arches parallel ones okay so we have used A for these two

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arches passing through C and D and D for these two arches passing through A and B

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we are going to repeat the same procedure there in the other side but in

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this case we're going to use C and F so you place the compass on C first so C to

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F, C to F, to F, draw the first arc, change the radius to E, but don't change the center,

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the parallel one, that's it, now you change center to F, and repeat, so F, C,

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Until it crosses the previous one over there.

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And change the radius, not the center.

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F, D.

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F, D.

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You have to be accurate here.

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And draw the parallel one.

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Okay, so we have twin arches.

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Like this.

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Okay, great.

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for the bigger arches you need a big compass with a small one you would you wouldn't be able to do

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this so you are going to cover from f to a okay so from f sorry from f to a and you draw this big arc

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okay so sorry i made a mistake so i'm going to repeat f a f a if you draw this arc

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with the same radius you change

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to a f and do the same a f same radius again like this

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so you have the bigger arc and you're going to change the radius to a e a e

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this compass doesn't work that well so so a e sorry again a e that's it

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AE and FB with the same radius. FB you draw the parallel arc. Good. So for these two parallel arches, just for you to have it clear, you use this center for these two, passing through these two points.

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And you use F for these two arches passing through A and B.

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Okay, and for the last part, we are going to place here the circles.

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In order to do that, you are going to place the midpoint of this segment, of the segment B, C, the midpoint.

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if you did it right here you have eight centimeters so you are going to place the midpoint

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that is four okay so but by my advice is that you measure everything up because maybe you have

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or you have here a little mistake you could also do the segment by sector that you should do by now

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that you should know by now, sorry, of the segment BC, okay?

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But this is, again, the midpoint, okay?

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Four of eight.

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And that distance with the compass,

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you are going to take the distance.

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We are going to name this point M, for example.

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You don't need to name or to write down the letters, okay?

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Because you are going to erase it, or them, later, so don't name it.

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I'm naming them for you to understand.

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So I'm taking the distance FM, and this distance you transport carefully here.

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So again, FM, you transport with the compass.

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If you don't have a big compass, you could also use the ruler.

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You can measure this distance, that is 13.1 in my case, and I'm transporting up the same distance.

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Okay, this way you will get here the center of the future circles.

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So, to know the radius of the circles you want to draw, you are going to connect A with O.

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Okay, so A, O, and we are going to draw here a line that connects A, O, and these two points.

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These two points are going to be the tangency points.

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So if you take now the compass, you can draw one arc passing through tangent to the arches.

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circle, okay, and second circle, that is the other circle, that's it, okay, center there,

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passing through the two points, and that's it.