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Exterior tangent circumference to the given one in a specific point. - Contenido educativo

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Subido el 4 de octubre de 2021 por Lucia S.

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Hello! We are going to start the marvelous world of tangents. 00:00:01
Doing these exercises, draw an external tangent circumference to the given one. 00:00:05
The given one is this, in a specific point. 00:00:11
This is the point, okay? 00:00:15
So we have to draw a circumference outside this one 00:00:16
that touches this circumference only in this point, okay? 00:00:20
It doesn't cut it, just touches it, okay? 00:00:25
So what we need to do first of all is to join the center of the circumference with the point of tangent. 00:00:28
We have to make a line that passes through those two points. 00:00:36
We can do the line with the ruler or with the square, as I'm doing. 00:00:41
So the solution, the circumference that we are looking for, must have the center in this line. 00:00:47
okay if you put the center of the circumference outside the line this line 00:00:55
it wouldn't touch the circumference only in this point if it touch it it will be 00:01:00
in another point too okay so it must be the center of the 00:01:05
circumference of the solution must be in this line so we can choose the line we 00:01:09
want okay so the point there whatever we want if we do it close to them to the 00:01:14
point we will have a small circumference okay for example like this okay we put 00:01:21
the needle of the compass in this point and the pencil in the point in the 00:01:33
given the specific point okay and we draw a circumference of sorry that touch 00:01:39
that touch the given one only in this point there again but we can we can 00:01:49
choose another point and different point for example here okay and we will have a 00:01:57
big circumference those two circumference that I have draw are also 00:02:02
tangent in this point okay so the beautiful things the beautiful the 00:02:16
beauty of tangents is that we can link one curve with another okay so you need 00:02:24
to do that okay but for example if I make Center okay in in the in the 00:02:30
circumference given till the point okay like this okay only till there okay and 00:02:42
And then I do the circumference with the center in the other point from the given point, from the, okay, I make this, I make this arch, okay, that are fluent, yeah, okay? 00:02:54
So this is the beauty of tangents. 00:03:10
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Autor/es:
Lucía S.
Subido por:
Lucia S.
Licencia:
Reconocimiento - No comercial
Visualizaciones:
82
Fecha:
4 de octubre de 2021 - 11:27
Visibilidad:
Público
Centro:
IES AVENIDA DE LOS TOREROS
Duración:
03′ 14″
Relación de aspecto:
1.59:1
Resolución:
1420x892 píxeles
Tamaño:
263.17 MBytes

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