what is the average angle of inclination of the ramp to the nearest tenth of the degree?

Question

a ramp leading to a freeway overpass is 470 feet long and rises 32 feet. what is the average angle of inclination of the ramp to the nearest tenth of the degree?

Answer 1

| \

32 | \ 470

| \

| x \

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x = angle of inclination

sin x = opposite side/hypotenuse = 32/470

x = 3.9 degrees