Four equal circles each of radius 3 cm touch each other . Find the area of shaded part .
Answer is 7.71 cm ^2
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Area of 4 quadrants = 4 × 1/4 × πr²
= 22 × 3² /7
= 198/7 cm²
Area of small square ....
its side is 2 × r = 6
area of square = 36 cm²
Area of shaded region = 36 - 198/7
= ( 252 - 198 ) /7
= 54/7
= 7.714 cm²
Hope it helps
Area of 4 quadrants = 4 × 1/4 × πr²
= 22 × 3² /7
= 198/7 cm²
Area of small square ....
its side is 2 × r = 6
area of square = 36 cm²
Area of shaded region = 36 - 198/7
= ( 252 - 198 ) /7
= 54/7
= 7.714 cm²
Hope it helps
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