Question

A wheel is made of a circular rim and 8 spokes as shown.

The length of each spoke is 37cm

WORK OUT THE TOTAL LENGTH OF THE RIM AND SPOKES.

Answer 1

528.48cm

Explanation:

Total length of all the spokes

37cm*8 = 296cm

Length of the circular rim

2πr = Circumference

2(37)π = 74π

74π = 232.48cm

Overall Length

232.48cm + 296cm = 528.48cm

Answer 2

528.6

Explanation:

find the circumference of the circle using:

πd: 22/7*74

add the length of the 4 strokes: 37*8

add the two: