Answered

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A 15-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 14 feet from the base of the building. How high up the wall does the ladder reach?
The ladder reaches feet up the wall. (Round to the nearest hundredth.)
HELPP!!

Sagot :

Answer:

Step-by-step explanation:

Well certainly friction alone will not hold it there.

c² = a² + b²

15² = 14² + b²

15² - 14² = b²

b² = 29

b = √29 = 5.385164... = 5.39 ft

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