A building is 3 ft from a 9-fence that surrounds the property. A worker wants to wash a window in the building 14 ft from the gr

Question

3 years ago

8

A building is 3 ft from a 9-fence that surrounds the property. A worker wants to wash a window in the building 14 ft from the gr

ound . He plans to place a ladder over the fence so it rests against the building. (See the figure.) He decides he should place the ladder 8 ft from the fence for stability . To the nearest tenth of a foot, how long a ladder will he need ?

Mathematics

1 answer:

kvv77 [185] · Answer 1 · 2022-07-14T07:05:42+03:00

kvv77 [185]3 years ago

6 0

The height of the fence is irrelevant. The bottom of the ladder is 3+8 = 11 feet from the building. The window is 14ft above the ground:
sqrt(14^2+11^2) = length of your ladder.