Answer:
Circumference = 2πr
E)
Diameter = 70
Diameter = 2r
Circumference = 70π = 70 * 22/7 = 220 in
F)
Radius = ⅞
Circumference = 2πr = 2 * 7/8π = 14/8π = 7/4π = 7/4 * 22/7 = 22/4 = 11/2 ft
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