Question

A tree is 11 feet tall and casts a shadow 8 feet tall. A building nearby casts a shadow that is 22 feet long. How tall is the building?

Answer 1

30.25 feet

Explanation:

set up a proportion and cross-multiply:

let 'x' = height of building

11/x = 8/22

8x = 242

x = 242/8 = 30 1/4