Arithmetic Ability
Area

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Q.

Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is

View Answer

Correct choice: A

Explanation:

required area = (area of an equilateral triangle of side 7 cm)- (3 * area of sector with à = 60 degrees and r = 3.5cm) (3√4*7*7)−(3*227*3.5*3.5*60360) sq cm =(3√4*49)−(11*0.5*3.5) sq cm = 1.967 sq cm
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