keiley8 keiley8

08-02-2018
Mathematics

contestada

tom wants to reach a second floor window on a house that is 20 feet above the ground. if he must put the ladder at a 70 degree angle to the ground. how long must the ladder be?

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Аноним Аноним

08-02-2018

sin (70°) = [tex] \frac{height of the ladder}{20} [/tex]
Height of the ladder = 20 sin (70°) = 18.79 feet

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