How far from the base of the pole should thestake be driven so that the wire will be taut?
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Let OB be the pole and AB be the wire
By Pythagoras theorem,
AB2 = OB2 + OA2
(24)2 = (18)2 + OA2
OA2 = (576 – 324)
OA2 = 252
OA =
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