Question

Diameter of a wheel of a car is 70 cm. How much distance will
of a car is 70 cm. How much distance will it cover in 120 revolutions?​

Answer 1

Step-by-step explanation:

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Answer 2

$\bold \green{\underline {Step\:by\:step\:explanation:-}}$

$\huge\bold\red{Given:}$

$Diameter = 70 \: cm$

$Radius = \frac{70}{2} = 35 \: cm$

$Circumference \: of \: circle =$

$⟹ 2\pi \: r$

$⟹ 2 \times \frac{22}{7} \times 35$

$\huge\bold\red{Now,}$

$\Large\boxed{1Km\:⟹1,00,000\:cm}$

$\therefore Number \: of \: revolution$

$⟹ 220 \: cm = 1 \: Revolution \\ ⟹ 100000 \: cm =\:?$

$⟹ \frac{1 \times100000 }{220}$

$⟹\blue{454.55} \:\blue {Revolution}$