15 Quadrilateral ABCD is inscribed in a circle as shown in the diagram below. If mLA = 85° and mD = 80°, what is the mLB? A. 80 B. 85 85 C. 95° 80 D. 100
15 Quadrilateral ABCD is inscribed in a circle as shown in the diagram below. If mLA = 85° and mD = 80°, what is the mLB? A. 80 B. 85 85 C. 95° 80 D. 100
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
Problem 1CT
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Transcribed Image Text:15
Quadrilateral ABCD is inscribed in a circle as shown in the diagram below.
If mLA = 85° and mzD = 80°, what is the mzB?
A. 80*
B. 85*
85
C. 95*
80°
D. 100°
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