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Quantitative Ability

The curves in...

Question

The curves in the below image are perfect semicircles. If the straight line AB measures 18 cm, what is the length (in m) of the curved line of the figure?

A

4.5𝜋

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B

9𝜋

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C

36𝜋

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D

18𝜋

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Solution

The correct option is B 9𝜋

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Q. The curves in the below image are perfect semicircles. If the straight line AB measures 18 cm, what is the length (in m) of the curved line of the figure?

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