1. The circumference of a circle is 58n cm. Find the diameter (D), the radius (r), and the length of an arc (a) with measure of 140°. A. D: 116 cm; r: 29 cm; a: 160n cm B. D: 58 cm; r: 29 cm; a: 22.6 cm C. D: 29 cm; r: 58 cm; a: 11.3r cm D. D: 58 cm; r: 116 cm; a: 11.3n cm

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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1. The circumference of a circle is 58n cm. Find the diameter (D), the radius (r), and the
length of an arc (a) with measure of 140°.
A. D: 116 cm; r: 29 cm; a: 160n cm
B. D: 58 cm; r: 29 cm; a: 22.6 cm
C. D: 29 cm; r: 58 cm; a: 11.3r cm
D. D: 58 cm; r: 116 cm; a: 11.3n cm
Transcribed Image Text:1. The circumference of a circle is 58n cm. Find the diameter (D), the radius (r), and the length of an arc (a) with measure of 140°. A. D: 116 cm; r: 29 cm; a: 160n cm B. D: 58 cm; r: 29 cm; a: 22.6 cm C. D: 29 cm; r: 58 cm; a: 11.3r cm D. D: 58 cm; r: 116 cm; a: 11.3n cm
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