Question

How many times a wheel of radius 25 cm must rotate to go 352 m?

Answer 1

Answer:

Step-by-step explanation:

Radius = 25cm

For this we need to calculate the circumference and should divide it with 35200 (352 m =352*100 cm)

Circumference of circle =2πr

=2*22/7*25

=44*25/7 cm

No.of times the wheel rolls =35200÷44*25/7

=35200*7÷44*25

=246400÷1100

=224 times

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Answer 2

Step-by-step explanation:

Radius = 25cm

35200 (352 m =352*100 cm)

Circumference of circle =2r

=2*22/7*25

=44*25/7 cm

No.of times the wheel rolls=35200-44*25/7

=35200*7-44*25

=246400-1100

=224 times