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Akshay places three identical rings of diameter 21 cm 21 \text{ cm} 21 cm such that each ring touches the other two. Find the area (in cm 2 \text{cm}^...

SSC SSC CGL Tier 2 Medium Circles MCQ

Question

Akshay places three identical rings of diameter 21 cm21 \text{ cm} such that each ring touches the other two. Find the area (in cm2\text{cm}^2) of the space enclosed by the three rings. (Take π=227\pi = \frac{22}{7} and 3=1.732\sqrt{3} = 1.732)

Note: Round off your answer to 2 decimal places.

Options

A.

20.65

B.

17.70

C.

18.25

D.

24.12

geometrycirclesareaequilateral trianglesectors

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