Question

for a circular sheet of radius is 4 centimetre a circle of radius 3 cm is removed find the area of the remaining seat​

Answer 1

Answer:

Area of the circle with radius 4 cm = πr² = π(4)² = 16 π cm²

Area of the circle with radius 3 cm which is removed = π(3)² = 9π cm²

Remaining area = 16π - 9π = 7π = 7 x 3.14 = 21.98 cm²

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