1. Let the incircle of AABC be centered at I and be tangent to BC at X. If |BI| = 6 and |BX| = 5, then what is the inradius r? 2. Let O be the circumcenter of AABC. Suppose AABO is an equilateral triangle. What is the measure of the angle at C of AABC?
1. Let the incircle of AABC be centered at I and be tangent to BC at X. If |BI| = 6 and |BX| = 5, then what is the inradius r? 2. Let O be the circumcenter of AABC. Suppose AABO is an equilateral triangle. What is the measure of the angle at C of AABC?
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:1. Let the incircle of AABC be centered at I and be tangent to BC at X. If |BI| = 6 and
|BX| = 5, then what is the inradius r?
2. Let O be the circumcenter of AABC. Suppose AABO is an equilateral triangle. What
is the measure of the angle at C of AABC?
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