trigonometry

Question: In triangle ABC and DEF, AB = DE, AC = EF and $\angle A=2\angle E$. Two triangles will have the same area, if angle A is equal to

1) $\frac{\pi }{3}$

2) $\frac{\pi }{2}$

3) $\frac{2\pi }{3}$

4) $\frac{5\pi }{6}$

Solution:

Explanation: No Explanation

Relation between sides and angles Solutions of triangles

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