Question

The wheel of a bike has a diameter of 26 inches. What is the circumference of the wheel? CLEAR CHECK about 40 inches about 82 inches about 163 inches about 530 inches

Answer 1

82 inches is the answer

Answer 2

about 82 inches

Explanation:

The circumference is pi times the diameter:

C = πd

Pi is about 3, so the circumference is in the neighborhood of 3·26 = 78 inches. The only answer in that neighborhood is ...

about 82 inches

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26π ≈ 81.6814 . . . . inches, which rounds to 82.