Posted by Elma on Saturday, November 9, 2013 at 3:35pm.
an escalator lifts people to the second
floor, 25 ft above the first floor. the escalator rises at a 30 angle. How far does a person travel from the bottom to the top of the esalator?

geometry  Steve, Saturday, November 9, 2013 at 3:44pm
25/x = sin 30
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