Asked by muhammad aliyu
a string is wound a wheel of radius 20cm. how large is the angle through which the wheel must turn to unwind 30cm of the string.
Answers
Answered by
Henry
C = pi*2r = 3.14 * 40 = 125.6 cm.
A = 360o/125.6cm * 30cm = 86o.
A = 360o/125.6cm * 30cm = 86o.
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