Question

Prove that the sides opposite the congruent base angles of a triangle are congruent. Be sure to create and name the appropriate geometric figures

Answer 1

@Michele_Laino @Hero plz help me

Answer 2

we have to consider the isosceles triangle, since the angles of the base of an isosceles triangle, are congruent each other

Answer 3

please wait, sorry we have to restart with the solution.
Let's consider a triangle whose angles at its base are congruent each other

Answer 4

here is such triangle:

Answer 5

Now we consider the heoght CH, as below: