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An 8.5-meter ladder is leaning against a vertical wall. How many meters is its base from the wall if the ladder reaches 7.5 meters up the wall?

 Jul 18, 2020
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The ladder is the hypotenuse of a right triangle  8.5 m

  one leg is   7.5

    you are looking for the other leg

 

Pythagorean theorem

   8.52 = 7.52   +   x2           solve for positive value of 'x' which is the base-wall distance

 Jul 18, 2020

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