Question 5 • Financial Math
The 8-foot height is opposite the 25° angle, and the ramp is the hypotenuse. Using sine, sin(25°) = 8 ÷ ramp length, so the ramp length is 8 ÷ sin(25°) ≈ 18.93 feet. At $50 per foot, the cost is 18.93 × $50 ≈ $946.48, which is choice C.
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