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A 20-ft ladder is 5 feet from the base of a wall. How high up the wall does the ladder reach?

A 20-ft ladder is 5 feet from the base of a wall. How high up the wall does the ladder-example-1
User Dane Lee
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y = 19.3649. how i worked out the problem is shown below
A 20-ft ladder is 5 feet from the base of a wall. How high up the wall does the ladder-example-1
User Arian Motamedi
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