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Mathematics 18 Online
OpenStudy (anonymous):

A suspension bridge is supported from a height of 30 feet. The length of the wire used to suspend the bridge, from the ground to the top, is 65 feet. What is the angle of elevation from the base of the bridge to the point of suspension?

OpenStudy (anonymous):

sin^-1(x) = sin^-1(30/65) x = sin^-1(30/65) = 27.5º

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