Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Concept explainers

Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made p…
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.
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Find the measure (in radians) of the central angle. The area of a sector is 8 sq units. 4 Picture is not drawn to scale The measure is radian(s). (Type an integer or decimal rounded to the nearest tenth as needed.) Enter your answer in the answer box and then click Check Answer.
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Transcribed Image Text:Find the measure (in radians) of the central angle. The area of a sector is 8 sq units. 4 Picture is not drawn to scale The measure is radian(s). (Type an integer or decimal rounded to the nearest tenth as needed.) Enter your answer in the answer box and then click Check Answer.
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