GeometryDifficulty 2.9JuniorFind the answerNetherlands
A rectangle ABCD stands with side AB on the ground and with side BC against the wall. The length of the side AD is 4, the length of the side CD is 3, and the length of the diagonal AC is 5. The rectangle is tilted with point A as the pivot point such that point C is straight above point A. In this situation, what is the distance from point B to the wall? A) 32 B) 53 C) 85 D) 127 E) 138
This was a multiple-choice question, but the options didn't survive into the
source we have. The answer given is B, and the solution
below works it through.
Solution
B) 53
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Source: MathNet,
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