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A 20-ft ladder is leaning against a house. The bottom of the ladder is 4-ft from the house. To the nearest tenth of a foot, about how high does the top of the ladder reach

Respuesta :

C1042

Answer:

The high is 19.6ft

Step-by-step explanation:

Using Pythogaras' Theorem:

√(20² - 4²) = 19.6 ft(near. tenth)

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