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2 years ago

15

A 20ft ladder is resting against the side of a house. The base of the ladder is 4ft away from the house. How high above the grou

nd does the ladder touch the house? Round your answer to one decimal place.

1 answer:

goldenfox [79]2 years ago

4 0

19.6.
C^2-A^2=B^2
20^2-4^2=19.595

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