prove that:

where are the sides opposite to the angles respectively in a triangle

Printable View

- Aug 11th 2010, 05:22 AMgrgrsanjaysolutions of a triangle
prove that:

where are the sides opposite to the angles respectively in a triangle - Aug 11th 2010, 05:53 AMsimplependulum
Let be the points of tangency of the incircle to the sides respectively .

Then where is the inradius .

Also ,

But

Therefore ,

or - Aug 11th 2010, 06:41 AMgrgrsanjayQuote:

Originally Posted by**simplependulam to grgrsanjay;**

what does tangency to a circle mean actually??? - Aug 11th 2010, 06:54 AMskeeter