The Area of a Circle Whose Radius is the Diagonal of a Square Whose Area is 4 is:
Answer: (1) 8 π
The area of a square = d²/2
Where, d = diagonal of a square.
The area of the circle = π R²
Where, R = radius of the circle.
Then, the area of the circle = π (√8)²
Hence, the answer is (1) 8 π.