The Gray family is moving into a new home and they are using a wooden ramp to roll furniture over the stairs at the entrance. The ramp, AB, is shown over the staircase in the diagram.

a. How far is the bottom of the ramp, A, from the base of the house, C?
b. What is the slope of the staircase?
c. What is the angle of elevation of the staircase? Round to the nearest degree.
d. What is the slope of the ramp, expressed as a fraction?
e. What is the angle of elevation of the ramp? Round to the nearest degree.
f. The ramp could have been placed right against the stairs for more support, DB. Why do you think the Gray family didn’t do that?

Transcribed Image Text:

А 5. D 8⁰ B