Question

how many times a wheel of radius 35cm must rotate to cover 11m

Answer 1

hey!!
total distance=11m
radius=35cm
circumference of the wheel =2pier
2*22/7*35*35
2*22/7*5*35
1100cm

therefore for 11 m
first we will convert cm into meter therefore 1100cm =11m
therefore total distance = 11*11
= 121
therefore the wheel will rotate 121 times


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Answer 2

Answer:

5 times

Step-by-step explanation:

1) given radius = 35cm

diameter= radius ×2

=70cm

2)convert m to cm to calculate distance

1m=100cm

hence 11m=11×100

=1100cm

3) calculate circumference

circumference= π×diameter

note π is equivalent to 3.14 or 22/7

so 3.14 × 70

=219.8 which is equivalent to 220 by rounding off

4) to determine amount of times

divide distance by circumference

=1100÷220

=5 times