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a 10 ladder is leaning against a wall. if the foot of the adder is 3 from the wall,how high up the wall does the top of the ladder reach? Round to the nearest foot

 Mar 5, 2020
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Presumably you mean 10ft and 3ft.

 

The ladder forms the hypotenuse of a right triangle, so use Pythagoras theorem to determine the third side.

 

height = √(10^2 - 3^2) ft

 Mar 5, 2020

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