Abuilding is 1 ft from a 9-ft fence that
surrounds the property. a worker wants
to wash a window in the building 12 ft
from the ground. 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
9 ft from the fence for stability. to the
nearest tenth of a foot, how long a
ladder will he need?
ents
ess