1.

the diameter of a bicycle wheel is 42cm. what is the distance moved by the wheel in 3 revolutions (pie=22/7)

Answer»

18×22=396cmStep-by-step EXPLANATION:SINCE diameter is 42 meter so, RADIUS is 21 CMAND we know that , distance covered by wheel in 1 revolution =2pi rso in 3 revolution distance = 3×2×22÷7×21 =18×22=396 cm



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