Homework Help: math

Posted by jos on Thursday, March 14, 2013 at 5:55pm.

Marvin has a 27-foot ladder. Safety standards dictate that the base of a 27-foot ladder should be placed 7 feet from a vertical wall.

How far above the ground will the top of the ladder be on the wall, in feet? Round your answer to the nearest hundredth.

math - Ms. Sue, Thursday, March 14, 2013 at 6:01pm
a^2 + b^2 = c^2

a^2 + 7^2 = 27^2

a^2 + 49 = 729

a^2 = 680

a = 26.08

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