pl help2

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pl help2

abhay brahme
Hi Hilaire
I tried to construct equilateral and isosceles triangles. I started with one pt. Modified its coordinates to 0,0. Then kept on adding more points and changing the coordinates. Drew segments and circles.

I now request you kindly to guide me in drawing an angle of given size.
I hope you will forgive me for typing /spelling mistakes I unnotice.
I really appreciate your quick reply and guidance.
Thank you
Abhay Brahme.

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Re: pl help2

Hilaire Fernandes
Administrator
Le 07/01/2013 05:44, abhay brahme [via Dr. Geo] a écrit :
Hi Hilaire
I tried to construct equilateral and isosceles triangles. I started with one pt. Modified its coordinates to 0,0. Then kept on adding more points and changing the coordinates. Drew segments and circles.


As a geometer, to construct equilateral or isosceles triangles you should the property of these triangles, you don't need to construct any angle:
- construct a segment
- construct its perpendicular bisector (you have a tool for that)
- on this line place a point, it is the third summit of your isosceles triangle.

To construction an equilateral triangle, your strart the same, then you can use a circle to construct segments of same length.
Search and try.

Hilaire


PS: In the examples provided with Dr. Geo distributions there are examples about isosceles and equilateral triangles. Press the palette button to discover the hidden constructions.



I now request you kindly to guide me in drawing an angle of given size.
I hope you will forgive me for typing /spelling mistakes I unnotice.
I really appreciate your quick reply and guidance.
Thank you
Abhay Brahme.




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