Maths-

General

Easy

Question

# If PQRS is a Square and STR is an Equilateral Triangle, find the value of a

- 60°
- 45°
- 90°
- 75°

Hint:

### try to find other angle than a in triangle SNR

## The correct answer is: 45°

### a=90^{0}

diagonal bisects the angles in square

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