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Mathematics 12 Online
OpenStudy (anonymous):

A fire department is called to the scene of a fire. The firefighters need to rescue a person who is stranded 30m up, on the third floor. If the 35m rescue ladder is placed so that it reached the person, what angle does it make with the ground?

OpenStudy (ash2326):

|dw:1368072723246:dw| @amazingbrian The stairs are 35 m long and the height from ground of the stranded person is 30 m. Please see the figure. Do you understand it?

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