A circle has a radius of 10. Using 3.14 for pi, what is its area?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
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