A section of road follows a circular arc with a central angle of 15.6°. The radius of the inside of the curve is 285.0 m, and the road is 15.2 m wide. What is the volume of the concrete in the road if it is 0.305 m thick?

A section of road follows a circular arc with a central angle of 15.6°. The radius of the inside of the curve is 285.0 m, and the road is 15.2 m wide. What is the volume of the concrete in the road if it is 0.305 m thick?

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 21E: The oblique circular cone has an altitude and a diameter of base that are each of length 6 cm. The...

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Question

Please work out question 33 and show work for explanation of how you came up with your answer.

33. A section of road follows a circular arc with a central angle of
15.6°. The radius of the inside of the curve is 285.0 m, and the
road is 15.2 m wide. What is the volume of the concrete in the
road if it is 0.305 m thick?
34. The propeller of the motor on a motorboat is rotating at 130 rad/s.
What is the linear velocity of a point on the tip of a blade if it is
22.5 cm long?

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