The recommended angle for a firefighting ladder is 75°. When a 110-foot ladder

is put up against a building at this angle, the base of the ladder is about 28

feet from the building. The base of the ladder is 8 feet above the ground. How

high on the building will the ladder reach?

Round your answer to the nearest tenth.

Question

Mathematics

Maren Taylor

3 April, 05:58

The recommended angle for a firefighting ladder is 75°. When a 110-foot ladder

is put up against a building at this angle, the base of the ladder is about 28

feet from the building. The base of the ladder is 8 feet above the ground. How

high on the building will the ladder reach?

Round your answer to the nearest tenth.

+5

Answers (1)

Know the Answer?

Victoria Craig · Answer 1

Answer:106.38 feet

Step-by-step explanation:

This can be solved by using pythagoras theorem

c=110 feet

b=28 feet

a=?

a=sqrt (110^2-28^2)

=sqrt (12100-784)

=sqrt (11316)

=106.3766 feet

=106.38