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Two window washers, Tori and Nathan, lean a ladder against the side of a building so that Tori can wash a window while Nathan holds the ladder. The top of the ladder reaches the window, which is 12 feet off the ground. The base of the ladder is 5 feet away from the building. How long is the ladder?

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Respuesta :

Answer:

13 feet

Step-by-step explanation:

This is a right triangle problem

Use the Pythagorean Theorem

cΒ² = aΒ² + bΒ²

cΒ² = 12Β² + 5Β²

cΒ² = 144 + 25

cΒ² = 169

Take the square root of both sides

c = 13

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