contestada

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?

Respuesta :

Answer:

6.24 feet (to nearest hundredth)

Step-by-step 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

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