Geometryhard · Past Paper
A square of side 8 cm is inscribed in a circle. Find the area of the circle.
A16*pi
B32*pi
C64*pi
D128*pi
✓ Correct Answer: B — 32*pi
The diagonal of the square is 8*sqrt(2), which is the diameter. r = 4*sqrt(2). Area = pi * (4*sqrt(2))^2 = 32*pi.
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