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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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### Educational Content: Measuring and Constructing Angles

#### Section 1.5: Measuring and Constructing Angles

**Problem Statement:**

In the figure, \( m\angle AED = 34^\circ \) and \( m\angle EAD = 112^\circ \).

**Task:**
Find \( m\angle BDC \).

#### Diagram Description:

The given diagram consists of a geometric pattern where colorful triangles and quadrilaterals form a repeated design. The specific elements (angles and points) labeled are:

- \( A, B, C, D, \text{ and } E \)
- Angles \( \angle AED \text{ and } \angle EAD \) making up parts of the pattern

Understanding the relationships between these angles will allow us to solve for the missing angle \( \angle BDC \).

#### Steps to Solve for \( m\angle BDC \):

1. **Identify Given Information:**
    - \( m\angle AED = 34^\circ \)
    - \( m\angle EAD = 112^\circ \)

2. **Apply Geometric Principles:**
   - Use properties of angles (e.g., supplementary and adjacent angles).

By understanding and applying these principles, students can determine the measure of \( \angle BDC \).

---

For further help, refer to the hints provided in your learning interface, or revisit previous sections on angle measurement techniques.
Transcribed Image Text:### Educational Content: Measuring and Constructing Angles #### Section 1.5: Measuring and Constructing Angles **Problem Statement:** In the figure, \( m\angle AED = 34^\circ \) and \( m\angle EAD = 112^\circ \). **Task:** Find \( m\angle BDC \). #### Diagram Description: The given diagram consists of a geometric pattern where colorful triangles and quadrilaterals form a repeated design. The specific elements (angles and points) labeled are: - \( A, B, C, D, \text{ and } E \) - Angles \( \angle AED \text{ and } \angle EAD \) making up parts of the pattern Understanding the relationships between these angles will allow us to solve for the missing angle \( \angle BDC \). #### Steps to Solve for \( m\angle BDC \): 1. **Identify Given Information:** - \( m\angle AED = 34^\circ \) - \( m\angle EAD = 112^\circ \) 2. **Apply Geometric Principles:** - Use properties of angles (e.g., supplementary and adjacent angles). By understanding and applying these principles, students can determine the measure of \( \angle BDC \). --- For further help, refer to the hints provided in your learning interface, or revisit previous sections on angle measurement techniques.
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