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### Question

What is the area of the largest square that can be drawn inside a circle of radius 8 m?

**A**

128 sq. m.

**B**

129 sq. m.

**C**

127 sq. m.

**D**

130 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 × 8^{2} = 128 sq. m.