A ladder leaning against a wall makes an angle of 60 degree with the horizontal. if the foot of the ladder is 2.5m away from the wall,find the length of the ladder
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hey...
cos@ = adj/hyp
cos60 = 2.5 / hyp
1/2 = 2.5/hyp
hyp = 2 X 2.5
hyp = 5 m
so the length of ladder is 5m
cos@ = adj/hyp
cos60 = 2.5 / hyp
1/2 = 2.5/hyp
hyp = 2 X 2.5
hyp = 5 m
so the length of ladder is 5m
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