Question

I am in class 6 and my Question is from ncert book

Answer 1

this is a triangle which the trigular cuboide

Answer 2

$\textbf{Answer:}$

In the given attachment, see the pair of ∆s.

So, we can conclude that;

A pair of triangles with three equal angles, and two equal sides are $\textbf{non-congruent.}$