Akshay places three identical rings of diameter 21 cm 21 \text{ cm} 21 cm in such a manner that each one touches the other two rings. He observes that...

Question

Akshay places three identical rings of diameter 21 cm21 \text{ cm} in such a manner that each one touches the other two rings. He observes that there is a space enclosed by the circles. What is the area (in cm2\text{cm}^2) of this portion? (Take π=227\pi = \frac{22}{7} and 3=1.732\sqrt{3} = 1.732)

Note: Round off the answer to the nearest 2 decimal places.

Options

A.

20.65

B.

17.70

C.

18.25

D.

24.12

circleareaequilateral trianglesectormensuration

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