Homework Help: Doral Middle

Posted by Mia on Sunday, April 10, 2011 at 8:56pm.

phillip has a 40-foot ladder that is placed 11 feet from a vertical wall. hw far above the ground will the top of the ladder be on the wall, in feet?

Math - Ms. Sue, Sunday, April 10, 2011 at 9:06pm
Pythagorean Theorem:

a^2 + b^2 = c^2

11^2 + b^2 = 40^2
121 + b^2 = 1,600
b^2 = 1,600 - 121
b^2 = 1,479
b = 38.46

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