A ladder 15m long rests against a vertical wall .if the foot of the ladder is 12m away from the wall how far up the wall is the ladder?
Answers
Answered by
8
15square= 12square + x
225 = 144 + x
√81 = 9
225 = 144 + x
√81 = 9
Answered by
3
Answer:
15²-12²=
225-144=81
√81=9m
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