Question

prove that the angles opposite to equal sides of an isosceles triangle are equal?

Answer 1

THEOREM 7.2
WE ARE GIVEN AN ISOCELES TRIANGLE ABC IN WHICH AB=AC.WE NEED TO PROVE THAT <B=<C
           AB=AC........>GIVEN
            <BAD=<CAD............>BY CONSTRUCTION
             AD=AD  .............>COMMON
       THEREFORE....PROVED