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A 15 foot ladder is leaning against a house. The base of the ladder is 4 feet from the house. To the nearest tenth of a foot, how high does the top of the ladder reach?

7 ft.

14.5 ft.

15.5 ft.

209 ft.

Respuesta :

blueberrybee

Answer:

14.5 ft

Step-by-step explanation:

use pythagorean theorem: a^2 + b^2 = c^2

a = 4   b = ?   c  = 15

15^2 - 4^4 = 209

square root of 209 = 14.5

 

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