Question

A. Eunice is building a skateboard ramp using wooden planks. She wants the ramp

3 feet high and to have an angle of inclination at 20°. What is the length of the

ramp?

Answer 1

The length of Eunice wooden ramp is 8.77 feet.

Trigonometric ratio

Trigonometric ratios is used to show the relationship between the sides and angles of a right angled triangle.

The ramp has the shape of a right angled triangle. Let l represent the length of the ramp, using trigonometric ratios:

sin(20) = 3 / l

l = 8.77 feet

The length of Eunice wooden ramp is 8.77 feet.

Find out more on trigonometric ratio at: https://brainly.com/question/1201366