Mathematics Knowledge · Question 43

Question 43 of 200

A circle has a radius of 10. Using 3.14 for pi, what is its area?

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Correct answer to question 43 (Mathematics Knowledge): 314

Method

Area is pi times the radius squared, so 3.14 x 100 = 314. The choice 62.8 is the circumference, 2 x 3.14 x 10.

Updated: November 2026

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