find the radius and diameter of a circle whose circumference is 88
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Answer:
r = ?
d = ?
Circumference of circle = 2πr
Circumference of circle = 88 cm
2 x 22/7 x r = 88
22/7 x r = 88/2
22/7 x r = 44
22 x r = 44 x 7
22 x r = 308
r = 308/22
Radius = 14 cm
Diameter = 14 + 14 = 28 cm
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