A Ferris wheel is 30 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clockposition on the Ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 9 minutes. How much of the ride, in minutes, is spent higher than 20 meters above the ground? (Round your answer to two decimal places.)

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Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.