Question

In the given figure, ΔABC is an equilateral triangle. Find m∠BEC.

Answer 1

It is given that, is an equilateral triangle

We have to find

Since is an equilateral triangle.

So

And

…… (1)

Since, quadrilateral BACE is a cyclic qualdrilateral

So , (Sum of opposite angles of cyclic quadrilateral is.)

Hence