transition duct is constructed from a circular sector of radius 18 in. and a central angle of 115°. (a) What is the area of the metal used? (Round to the nearest hundredth. (b) Calculate the arc length of the sector. (Round to the nearest hundredth.) ?

transition duct is constructed from a circular sector of radius 18 in. and a central angle of 115°. (a) What is the area of the metal used? (Round to the nearest hundredth. (b) Calculate the arc length of the sector. (Round to the nearest hundredth.) ?

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter63: Volumes Of Pyramids And Cones

Section: Chapter Questions

Problem 2A: In order to make a conical duct, a circular sheet of metal is to be cut in the shape of a sector of...

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Question

A transition duct is constructed from a circular sector of radius 18 in. and a central angle of 115°.

(a) What is the area of the metal used? (Round to the nearest hundredth.

(b) Calculate the arc length of the sector. (Round to the nearest hundredth.) ?

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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