A 20-foot ladder leans against the side of a house with its base 3.5 feet from the house. Use the Pythagorean Theorem to approximate how high the ladder reaches up the side of the house. Round your answer to the nearest hundredth. The ladder reaches feet high.

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A: The complement of 63° is the angle that when added to 63°forms a right angle i.e 90° .

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A: Given,          A TV set that has a diagonal measuring 42 inches.

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