These are sample practice MCQs created for exam preparation. These are NOT official exam questions.
A circle has a circumference of 20π. What is the area of the circle?
Question:
A circle has a circumference of 20π. What is the area of the circle?
A circle has a circumference of 20π. What is the area of the circle?
Options
Answer: (C) 100π
Explanation:
Circumference = 2πr = 20π, so r = 10. Area = πr² = π(10)² = 100π.
Explanation:
Circumference = 2πr = 20π, so r = 10. Area = πr² = π(10)² = 100π.
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