Question

In $△ABC$, $AB=AC$ and $\angle B={40}^{\circ }$. What is the value of $\angle C$?​​​​​​​

• A. ${20}^{\circ }$
• B. ${30}^{\circ }$
• C. ${40}^{\circ }$
• D. ${50}^{\circ }$

Answer 1

The correct option is C

${40}^{\circ }$

Since AB = AC, the angles opposite to these sides will also be equal.

Hence, $\angle B=\angle C$

$\Rightarrow \angle C={40}^{\circ }$