In isosceles $\triangle ABC$ with $AB = AC$ and $\angle A = 80^{\circ}$, $\angle B$ equals
In isosceles $\triangle ABC$ with $AB = AC$ and $\angle A = 80^{\circ}$, $\angle B$ equals
- $50^{\circ}$
- $80^{\circ}$
- $100^{\circ}$
- $40^{\circ}$
Solution
$\angle B = \angle C$. $80 + 2x = 180 \Rightarrow x = 50^{\circ}$.
Asked in: MH-SSC-9
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