. 0Q and OR are congruent circles that intersect at C and D. CD is called the common chord of the circles. a. What kind of quadrilateral is QDRC? Why? b. CD must be the perpendicular bisector of QR. Why? с. If QC D = 17 and QR 30, find CD.

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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Question
. 0Q and OR are congruent circles that intersect at C
and D. CD is called the common chord of the circles.
a. What kind of quadrilateral is QDRC? Why?
b. CD must be the perpendicular bisector of QR. Why?
с. If QC
D
= 17 and QR
30, find CD.
Transcribed Image Text:. 0Q and OR are congruent circles that intersect at C and D. CD is called the common chord of the circles. a. What kind of quadrilateral is QDRC? Why? b. CD must be the perpendicular bisector of QR. Why? с. If QC D = 17 and QR 30, find CD.
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