Question

A 20-foot ramp is used at the loading dock of a factory.lf the base of the ramp is placed 19 feet from the base of the dock,how high is the loading dock?

Answer 1

6.24 feet (to nearest hundredth)

Explanation:

Use the Pythagoras Theorem:-

20^2 = x^2 + 19^2 where x = height of the loading dock.

x^2 = 20^2 - 19^2 = 39

x = √39

= 6.2449 feet