TBQ - Prove the following II — task. Maths CBSE Live product, Class 9.

\(ABC\) and \(DBC\) are two isosceles triangles on the same base \(BC\). Show that \(∠ ABD = ∠ ACD\).

Proof:

In \(\triangle DAB\) and \(\triangle DAC\),

\(\triangle DAB \cong \triangle DAC\) [By Congruence rule]

Then, \(∠ABD = ∠ACD\) [By]

Hence, we proved.

Did you find an error?

4. TBQ - Prove the following II