If the circumference of a circle is 10π units, what is its area?
✓ Correct Answer: Option D
Circumference C = 2πr. Given C = 10π, so 10π = 2πr, which means r = 5. The area A = πr², so A = π(5²) = 25π square units.
Circumference C = 2πr. Given C = 10π, so 10π = 2πr, which means r = 5. The area A = πr², so A = π(5²) = 25π square units.