A 20 -ft ladder leans against a building so that the angle between the ground and the ladder is 84 ∘ . How high does the ladder reach on the building?
Round answer to 2 decimal places as needed.
1 Expert Answer
Its a right triangle with the hypotenuse of 20. The angle is 84. 20 x sin84 = 19.89.
That is the length of the leg opposite the 84 deg angle and also how for it goes up the wall
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