In the adjoining figure, the radius of the greatest semicircle is 60cm, and the radius of the smallest circle is 15 cm. Find the area of the shaded region.
Answers
Answered by
1
area of semi circle = 1/2 x 22/2 x r²
area of 1st = 1/2 x 22/7 x 15 x 15 = 353.57 sq. km. (approx)
area of 2nd = 1/2 x 22/7 x 60 x 60 = 5657.14 sq. km. (approx)
area of shaded = 5657.14 - 353.57 = 5303.57 sq. km.
Similar questions