1.

Thediameterofcircularpark is 98 m. Find the cost of fencing it at7.a4 permetre.A wheel makes 20 revolutions to cover a distance of 66 m. Find thethe wheel.8.diameterof

Answer»

One revolution = 66/20Diameter of wheel = 2πr2πr = 66/20r = 0.5D = 1m



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