need to use trigonometrical ratios
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Answer:your answer is 30 m. The explanation is in the attachment. Good luck
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perpendicular/hypotenuse=sin 30
height is given as 15 m ( that is perpendicular)
let the length of the ladder be x
so
15/x=1/2
30=x
therefore length of ladder =30m
height is given as 15 m ( that is perpendicular)
let the length of the ladder be x
so
15/x=1/2
30=x
therefore length of ladder =30m
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