math
posted by lanessa .
mr.hemley stands next to the Illionis centennial monument at logan square chicago and casts a shadow that is 18 ft long. The shadow of the monument is 204 ft tall, how tall is the monument?

How tall is Mr. Hemley?

A monument is 50metres high .What is the length of the shadow cast by the monument if the angle of elevation of the sun is 60degree?