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:**Educational Website Transcription**
**Section: Congruency in Triangles**
### Lesson: K.9 Congruency in Isosceles and Equilateral Triangles
**Question:** What are the values of \( b \) and \( c \)?
**Diagram Explanation:**
The image features a triangle labeled \( \triangle HIG \), with an angle at vertex \( H \) measuring \( 61^\circ \). The triangle shows sides \( HI \) and \( HG \) marked with a line segment, indicating that these two sides are congruent, suggesting it is an isosceles triangle.
### Problem
Your task is to find the values of \( b \) and \( c \):
- \( b = \_\_^\circ \)
- \( c = \_\_^\circ \)
**Instructions**
To solve this problem, consider the properties of isosceles triangles where two sides have equal lengths, and the angles opposite these sides are equal. Use the known angle at \( H \) and the fact that the sum of angles in a triangle is \( 180^\circ \).
**Controls:**
- **Submit Button:** Use this to submit your answers for \( b \) and \( c \).
**Progress Tracker:**
- **Questions answered:** 18
- **Time elapsed:** 00 hours, 50 minutes, 35 seconds
- **SmartScore:** 73 out of 100
Note: This exercise helps reinforce the understanding of triangle congruency and angle calculations.
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