Asked by Stacy

A bicycle wheel whose radius is 30 cm covered a distancein 70 revolutions.how many kilometres was this distance
Answered by Ms. Sue
C = pi * d

C = 3.14 * 60

C = 188.4 cm

188.4 * 70 = 13,188 cm = 131.88 m = 0.13188 km



Answered by Comfort
In a bicycle race kojo covered 250 m in 60s and yao covered 300 m in the same time interval. What is the ratio of yaos distance to Kojo's, simplest form
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