A 29-foot ladder is leaning against a building. The base of the ladder is 20 feet from the side of the building. How high does the ladder reach along the side of the building?

Question

lgbasallote · Answer

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use pythagorean theorem to solve for x

lgbasallote · Answer

$$\huge x = \sqrt{29^2 - 20^2}$$

anonymous · Answer

what is the pyethagorean theorem before you plugged numbers into it?

anonymous · Answer

That       S^2 = r^2 + r^r
and that r^2 = s^2 - r^2
I a right triangle where s = the side accross the 90 degree corner and the r = any of the other two sides of the triangle.