Use rhombus ABCD to answer the follwoing questions. AD= 10, AC=16, and mZABC = 130°

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
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# Geometry: Rhombus ABCD Analysis

**Topic: Geometry**

**Course: Geometry 2**

---

### Use Rhombus ABCD to answer the following questions

Given the following:

- \( AD = 10 \)
- \( AC = 16 \)
- \( m \angle ABC = 130^\circ \)

#### Diagram Description:

A rhombus \(ABCD\) is depicted with diagonals \(AC\) and \(BD\) intersecting at point \(W\). The angles are as follows:

- \(\angle ABC = 130^\circ\)

The diagonals of the rhombus intersect at right angles (90 degrees) at \(W\), forming four right-angled triangles.

### Questions:

1. **AB =** 
   - Answer: 10

2. **CW =**
   - Answer: 8

3. **The measure of angle \(BAD\) =** 
   - Answer: [Fill in answer in degrees]

4. **The measure of angle \(CDB\) =**
   - Answer: [Fill in answer in degrees]

5. **The measure of angle \(DWA\) =**
   - Answer: [Fill in answer in degrees]

6. **The measure of angle \(WCD\) =**
   - Answer: [Fill in answer in degrees]

### Explanation:

When working with the given angles and properties of the rhombus, apply the following geometrical properties:

- **Properties of a rhombus**: All sides are equal, and the diagonals bisect each other at right angles.
- Diagonals of a rhombus split it into four right triangles.

### Steps to Solve the Missing Angles:

1. **Angle \(BAD\)**:
   - Since \(\angle ABC\) is 130 degrees and diagonals bisect each other, \(\angle BCD = 130^\circ\).
   - \( \angle BAD = 180^\circ - 130^\circ = 50^\circ\).

2. **Angle \(CDB\)**:
   - Since rhombus diagonals form 90 degrees at the intersection,
   - \( \angle CDA = 90^\circ\).

3. **Angle \(DWA\)**:
   - Since point \(W\) is the intersection of diagonals, forming right angles,
   - \( \angle DWA = 90^\
Transcribed Image Text:# Geometry: Rhombus ABCD Analysis **Topic: Geometry** **Course: Geometry 2** --- ### Use Rhombus ABCD to answer the following questions Given the following: - \( AD = 10 \) - \( AC = 16 \) - \( m \angle ABC = 130^\circ \) #### Diagram Description: A rhombus \(ABCD\) is depicted with diagonals \(AC\) and \(BD\) intersecting at point \(W\). The angles are as follows: - \(\angle ABC = 130^\circ\) The diagonals of the rhombus intersect at right angles (90 degrees) at \(W\), forming four right-angled triangles. ### Questions: 1. **AB =** - Answer: 10 2. **CW =** - Answer: 8 3. **The measure of angle \(BAD\) =** - Answer: [Fill in answer in degrees] 4. **The measure of angle \(CDB\) =** - Answer: [Fill in answer in degrees] 5. **The measure of angle \(DWA\) =** - Answer: [Fill in answer in degrees] 6. **The measure of angle \(WCD\) =** - Answer: [Fill in answer in degrees] ### Explanation: When working with the given angles and properties of the rhombus, apply the following geometrical properties: - **Properties of a rhombus**: All sides are equal, and the diagonals bisect each other at right angles. - Diagonals of a rhombus split it into four right triangles. ### Steps to Solve the Missing Angles: 1. **Angle \(BAD\)**: - Since \(\angle ABC\) is 130 degrees and diagonals bisect each other, \(\angle BCD = 130^\circ\). - \( \angle BAD = 180^\circ - 130^\circ = 50^\circ\). 2. **Angle \(CDB\)**: - Since rhombus diagonals form 90 degrees at the intersection, - \( \angle CDA = 90^\circ\). 3. **Angle \(DWA\)**: - Since point \(W\) is the intersection of diagonals, forming right angles, - \( \angle DWA = 90^\
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