Advertisement

### Question

What is the area of the largest square that can be drawn inside a circle of radius 18 m?

**A**

648 sq. m.

**B**

649 sq. m.

**C**

647 sq. m.

**D**

650 sq. m.

**Soln.**

**Ans: a**

If the radius of the circle is R, then the side of an inscribed square is $√2 × R$, so the area is 2 × R^{2} = 2 × 18^{2} = 648 sq. m.