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The Diameter of a Wheel is 1.4m. How Many Revolutions Does It Make in Moving a Distance of 2.2 Kms? - Mathematics

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प्रश्न

The diameter of a wheel is 1.4m. How many revolutions does it make in moving a distance of 2.2 kms?

योग
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उत्तर

Diameter of the wheel = 1. 4 m 

Circumference = 2 π r = π d

`= 22/7 xx 1.4`

= 4.4 m

Circumference= 8.8 m 

Distance travelled = 2.2 km = 2200 m 

No. of revolutions = `2200/4.4 = 500`

Wheel makes 500 revolutions in travelling 2.2 km 

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अध्याय 19: Mensuration I - Exercise 19.1

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फ्रैंक Mathematics - Part 2 [English] Class 10 ICSE
अध्याय 19 Mensuration I
Exercise 19.1 | Q 27
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