Natalie G.
asked • 04/20/20A ladder that is 10 feet long leans against the side of a house. The angle of elevation of the ladder is 75°. Find the height from the top of the ladder to the ground. (Round your answer to one decimal place.)
_____________ft
Denise G. answered • 04/20/20
The length of the ladder is the hypotenuse of the triangle. They are asking you to solve for the opposite side. You should use sin.
Let x = height from the top of the ladder to the ground.
sin 75 = x/10 Multiply both sides of the equation by 10.
10 sin 75 = x
x=9.7 ft
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