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Mathematics 18 Online
OpenStudy (anonymous):

A ladder leans against a building forming an angle of 55 with the ground as shown in the diagram Th base of the ladder if 5 feet from the building what is the length of the ladder

OpenStudy (anonymous):

|dw:1335365388773:dw|\[\cos 55=5/x\]\[x=5/(\cos 55)\]x=8.72 feet So the ladder is 8.72ft.

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