A swing base is 72 cm above the ground as shown in figure- When it travels through an angle of 60- from its mean position- swing base comes at 252 cm above the ground- What is the length of the arc travelled by the swing in meters-

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Question

A swing base is 72 cm above the ground as shown in figure. When it travels through an angle of $60^{\circ}$ from its mean position, swing base comes at 252 cm above the ground. What is the length of the arc travelled by the swing in meters?

7.2

π

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3.6

π

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1.2

π

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π

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Solution

The correct option is C 1.2 $π$

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A swing base is 72 cm above the ground as shown in figure. When it travels through an angle of 60∘ from its mean position, swing base comes at 252 cm above the ground. What is the length of the arc travelled by the swing in meters?

The correct option is C 1.2π

A swing base is 72 cm above the ground as shown in figure. When it travels through an angle of $60^{\circ}$ from its mean position, swing base comes at 252 cm above the ground. What is the length of the arc travelled by the swing in meters?

The correct option is C 1.2 $π$