A Firefighter is ladder of length 13 m was kept at a distance of 5 m from a building to reach a window on the building.At what height is a window from the ground
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Answered by
112
according to the question a triangle is formed by the ladder, building and the ground.
applying Pythagoras theorem,
( height of the window)²=( length of ladder)²-( distance between the base of the building and the base of the ladder)²
=(13)²-(5)²
=169-25=144
so, height of the window=√144
therefore, height of the window is 12 m
applying Pythagoras theorem,
( height of the window)²=( length of ladder)²-( distance between the base of the building and the base of the ladder)²
=(13)²-(5)²
=169-25=144
so, height of the window=√144
therefore, height of the window is 12 m
Answered by
21
Answer:
144=12².
Step-by-step explanation:
13²-5²
169-25=144=12²
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