Question

a building casts a 35-ft shadow and a flagpole casts a 10-ft shadow. If the flagpole is 22 ft tall, how tall is the building? Round to the nearest tenth.

77.0 ft
15.9 ft
37.0 ft
53.0

Answer 1

proportionality

Answer 2

use ratio theory
35/10 = x/22, so x = 77, which is the answer