Square ABCD is inscribed in a circle whose radius is 4cm. Calculate the area of the square.

সমাধান
সঠিক উত্তর: Option B
Diameter = 2 × 4 = 8 cm = diagonal of the square
let, the side of square is x
√2x = 8
⇒ x = 8/√2
∴ Area of the square = x2
= (8/√2)2
= 64/2
= 32 sq. cm
let, the side of square is x
√2x = 8
⇒ x = 8/√2
∴ Area of the square = x2
= (8/√2)2
= 64/2
= 32 sq. cm