A painter leans his 15-foot ladder against the side of a house. The base of the ladder sits on the ground 9 feet away from the house. How high up the house does the ladder reach?
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A 10-foot ladder is leaning up a wall. The distance the ladder is from the wall is 2 feet shorter than the distance the ladder reaches on the wall.
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●Please refer to the attachment above for the complete answer.
✍Here in this sum Pythagoras Theorem has been applied to find the height. According to this theorem, the square of the hypotenuse of a right angled triangle is equal to the sum of the squares of the base and height of that triangle.
In your given sum therefore I have considered the ladderas the hypotenuse and the building as the height.
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Swarup1998:
Great answer! :)
Thankyou sir ^_^
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