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A ladder leaning against the side of a building makes a 70 angle with the ground. If the base of the ladder is 4 feet
A ladder leaning against the side of a building makes a 70° angle with the ground. If the base of the ladder is 4 feet away from the bottom of the building, approximately how long is the ladder?sin 70°= 0.9cos 70°=0.3tan 70° = 2.7A 4.4 ftB 10.8 ftC 13.3 ftD 21.0 ft
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