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Mathematics 7 Online
OpenStudy (anonymous):

An escalator in a department store is to carry people a vertical distance of 90 feet between floors. How long is the escalator if it makes an angle of 30° with the ground? answer in feet

OpenStudy (anonymous):

180

OpenStudy (anonymous):

30-60-90 triangle

OpenStudy (lalaly):

|dw:1323036319415:dw|

OpenStudy (lalaly):

sin30=90/x |dw:1323036417089:dw|

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