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If π is Taken as 22 7 the Distance (In Metres) Covered by a Wheel of Diameter 35 Cm, in One Revolution, is - Mathematics

MCQ

If π is taken as \[\frac{22}{7}\] the distance (in metres) covered by a wheel of diameter 35 cm, in one revolution, is

Options

  •  2.2

  • 1.1

  •  9.625

  •  96.25

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Solution

The disstance covered by the wheel in one revolution is equal to the circumference of the wheel.

\[\text{ Circumference }= \pi r^2 \]
\[ = \frac{22}{7} \left( \frac{35}{2} \right)^2 \]
\[ = \frac{22}{7} \left( \frac{35}{2} \right)^2 \]
\[ = 962 . 5 cm\]
The distance covered by the wheel in one revolution (in m) is given by
\[\frac{962 . 5}{100} = 9 . 625 m\]

 

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 13 Areas Related to Circles
Q 47 | Page 74
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