Question

in the given figure triangle ABD and triangle BCDare isosceles Triangles on the same side BD prove that angle ABC is equal to angle ADC​

Answer 1

Answer:

they are correspond by the SSS test

Answer 2

Answer:

Angles opp to equal sides of a triangle are equal. Apply this in both triangles.

ABD=ADB

CBD=CDB, Add both.

here, two concepts are used angle opp to equal sides.., Sum to two equal values in diff forms then also gives same value in diff form.