202k views
2 votes
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

User SamSPICA
by
7.4k points

1 Answer

5 votes

Answer:

The high is 19.6ft

Explanation:

Using Pythogaras' Theorem:

√(20² - 4²) = 19.6 ft(near. tenth)

User Hungneox
by
7.8k points