Mathematics
Grade-7
Easy
Question
A wheel has a diameter of 100 cm. Determine the distance covered for one revolution in centimeters.
- 125
- 182
- 314
- 524
Hint:
The distance covered by one revolution is the circumference of the circle.
The correct answer is: 314
DIstance covered by one revolution of the wheel willbeequal to the circumference of the circle.
diameter of the circle = 2 x radius = 100 cm
radius = 
= 50 cm
circumference = 
circumference = 2 x 3.14 x 50
circumference = 314cm.
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