Ferris Wheel In 1897, a Ferris wheel was built in Vienna that still stands today. [e] It is named the Riesenrad, which translates to the Great Wheel. The diameter of enth I the the Riesenrad is 197 feet. The top of the wheel stands 209 feet above the ground. Figure 14 is a model of the Riesenrad with angle e the central angle that is formed as a rider moves from the initial position Po to position Pl. The rider is h feet above the ground at position Pl. 3. Find h if eis 120.0. b. Find h if eis 210.0. c. Find h if eis 315.0

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