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ACT® Math

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Difficult

Wheel Rotations

ACTMAT-GJSWV1

A square shaped paper is pasted on a wheel with its center coinciding with that of the wheel. The perimeter of the square is 8 feet and its corners are on the perimeter of the wheel.

How many rotations does the wheel complete in covering a horizontal distance of 90 feet?

A

$5$

B

$8$

C

$10$

D

$11$

E

$15$