The diameter of a Ferris wheel is 163 feet. The top of the wheel stands 175 feet above the ground. The figure below is a model of the Ferris wheel with angle ? the central angle that is formed as a rider moves from the initial position P0 to position P1. The rider is h feet above the ground at position P1. (Round your answers to the nearest whole number.) (a) Find h if ? is 120.0°. (b) Find h if ? is 210.0°. (c) Find h if ? is 315.0°.
Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
The diameter of a Ferris wheel is 163 feet. The top of the wheel stands 175 feet above the ground. The figure below is a model of the Ferris wheel with
(a) Find h if ? is 120.0°.
(b) Find h if ? is 210.0°.
(c) Find h if ? is 315.0°.
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