Question

The spoke of a wheel reaches from the center of the wheel to its rim. If the circumference of the rim of the wheel is 48 inches, how long is each spoke? Use 3.14 for π, and round your answer to the nearest hundredth.

A. 12 inches
B. 7.64 inches
C. 15.29 inches
D. 8 inches

Answer 1

Answer: B. 7.64 inches

Step-by-step explanation: Correct for Penn foster exam.

Answer 2

The circumference of a circle is πd
You know the circumference of the rim of the wheel is 48 inches so to find the diameter (d) you divide 48/3.14 which gives you 15.29 inches.
As the spoke goes from the center to its rim, it it is the radius, which is half of the diameter.
15.29/2 is B) 7.64 inches.