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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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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?

User Elymentree
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1 Answer

2 votes
sin (70°) =
(height of the ladder)/(20)
Height of the ladder = 20 sin (70°) = 18.79 feet
User Nico Zhu
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