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A 9 foot ladder liens against the side of a house how far is the bottom of the ladder from the side of the house when the angle of elevation of the latter is 75°

A 9 Foot Ladder Liens Against The Side Of A House How Far Is The Bottom Of The Ladder From The Side Of The House When The Angle Of Elevation Of The Latter Is 75 class=

Sagot :

Answer:   2.3

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Work Shown:

cos(angle) = adjacent/hypotenuse

cos(75) = x/9

x = 9*cos(75)

x = 2.32937140592269

x = 2.3

The bottom of the ladder is about 2.3 feet from the bottom of the house.

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