Math, asked by abuzar31, 10 months ago

A Scooter wheel makes 100 revolution in moving 88 metres. Find the radius of the wheel

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Answers

Answered by TooFree

Answer:

14 cm

Step-by-step explanation:

Find the length of 1 revolution:

100 revolutions = 88 m

1 revolution = 88 ÷ 100 = 0.88 m = 88 cm

Find the radius:

Circumference = 2πr

2πr = 88

r = 88 ÷ 2π = 14 cm

Answer: The radius is 14 cm

Anonymous: hey its 14 m

Anonymous: u wrote cm

TooFree: It is 14 cm ... not 14 m

TooFree: 1 revolution = 88 ÷ 100
1 revolution= 0.88 m
1 revolution= 0.88m x 100 = 88 cm <== converted to cm

Anonymous: in question it is metres

TooFree: 14 cm = 0.14m <== if you write in m, it will be 0.14 m

(The answer cannot be 14 m)

Answered by Anonymous

Answer:

14 m

Step-by-step explanation:

Total Revolutions = 100

= total distance = 88 m

= distance covered in one revolution = 2πr m.

=distance covered in 100 revolution = 2πr . 100

= 88 = 2 . 22/7 . r

= 88 . 1/2 . 7/22 = r

= 14 m

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