circumference of a circle is 440 cm find the radius
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r = 440
2.pi.r = 440
2.22/7.r= 440
r = 440 x 7 / 22 x 2
r = 70
2.pi.r = 440
2.22/7.r= 440
r = 440 x 7 / 22 x 2
r = 70
Answered by
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Circumference=2πr... But C is given to be 440cm........so....2πr= 440cm.........2×22/7×r=440 cm.......... r= 440×7/22×2...........,3080/44=r..... Therefore r= 70 cm......
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