21-02-2021
Mathematics

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a 9 foot ladder is placed 4 feet from the base of a building.about how high does the ladder reach

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21-02-2021

Answer:

8.06 feet

Step-by-step explanation:

use the Pythagorean theorem

9^2 = 4^2 + x^2

81 =16 +x^2

x^2 = 65

x = 8.06 feet

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