two coins of diameter 2 cm and 4 cm respectively are kept one over the other. find the area of the shaded ring shaped region in square cm. Share with your friends Share 2 Varun.Rawat answered this We have,diameter of the bigger coin, D = 4 cmradius of the bigger coin, R = 2 cmNow, diameter of the smaller coin, d = 2 cmradius of the smaller coin, r = 1 cmarea of shaded region = πR2 - r2 = 227R+rR-r = 22731 = 667 = 9.43 cm2 18 View Full Answer
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