A firefighter's ladder of length 13m was kept at a distance of 5m from a buildinf to reach a window on the building.At what hieght is the window from the ground?
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i think 10 m is the answer
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12m is the answer.pythagoras theorem ;)
yahya6:
Please show me process pleaase
the window is perpendicular to the base
therefore the angle is 90
the Pythagoras theorem says Base square + height square = hypotenuse square
here base - 5m hypotenuse -13m
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