1.

Sr. No.Radius () Diameter (d) Circumference (c)7 cm28 cm616 cm72.6 cm(iv)

Answer»

i) 7 14 22/7*14=44ii)14 28 22/7*28=88iii)98 196 22/7*196=616iv)11.55 23.1 22/7*23.1=72.6



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