Question

A 21-foot ladder leaning against the side of a house makes a 78angle with the ground (see figure). How far up the side of the house does the ladder reach? Round your answer to four decimal places.

A) 20.5411 feet
B) 21.4692 feet
C) 4.3661 feet
D) 4.4637 feet
E) 101.0044 feet

Answer

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