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quickstudent:
A 45 foot long escalator rises from the first floor to the second floor of a shopping mall. The escalator makes a 30° angle with the horizontal. How high above the first floor is the second floor?
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Ultrilliam:
questioncove.com/updates/4f173b5de4b0aeb795f55a7b Looks like this question was asked before @quickstudent
quickstudent:
Oh, thanks!
Ultrilliam:
Np ^_^
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