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10 January, 04:50

A ladder leaning against a wall makes an angle of 45º with the ground. If the length of the ladder is 20 feet, find the approximate distance of the foot of the ladder from the wall

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  1. 10 January, 08:03
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    I used Pythagoras's theorem knowing that both sides of a right triangle with 45° angles have 2 equal sides and then the hypotenuse. I got 10 (square root) 2
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