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December 19, 2014

December 19, 2014

Posted by **kim** on Thursday, November 1, 2007 at 10:20pm.

How far up a wall will an 11m ladder reach, if the foot of the ladder must be 4m from the base of the wall? Round your answer to the nearest tenth.

- algebra.math -
**Reiny**, Thursday, November 1, 2007 at 11:47pmThe ladder will form a right-angled triangle with the wall, so use Pythagoras

x^2 + 4^2 = 11^2

etc

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