15. Find the area. "Note, PQ=13 and 12 is 1/2 of the diagonal PR. 13 m 12 m O 120 O 10 O 24 O 52

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.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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### Geometry Problem: Finding the Area of the Quadrilateral

#### Problem Statement
**Question 15:** Find the area. *Note, PQ = 13 and 12 is 1/2 of the diagonal PR.*

#### Diagram Description
- A quadrilateral \( PQRS \) is shown in the diagram.
- Diagonal \( PR \) is indicated.
- \( PQ \) has a length of 13 meters.
- The length of 12 meters is marked as half of the diagonal \( PR \).
- The quadrilateral is divided into two triangles by the diagonal \( PR \).

#### Steps to Find the Area
1. **Understanding the Diagram:**
   - Given that 12 meters is half of diagonal \( PR \), the full length of \( PR \) is \( 2 \times 12 = 24 \) meters.
   - Therefore, \( PR = 24 \) meters.

2. **Area Calculation of Triangles:**
   - Using the fact that \( PQRS \) is divided into two triangles by diagonal \( PR \), calculate the areas of these triangles separately and sum them up.
   
3. **Breakdown:**
   - Calculate the area of triangle \( PQS \):
     - Use the given side lengths and any geometric properties.
   - Calculate the area of triangle \( PRS \):
     - Use the given side lengths and any geometric properties.

4. **Formula Application:**
   - For a simple calculation, we may need the heights corresponding to these bases \( PQ \) and \( PR \).
   - Use appropriate geometric or trigonometric methods to find heights, and apply the triangle area formula:
     \[
     \text{Area} = \frac{1}{2} \times \text{base} \times \text{height}
     \]

#### Answer Choices
- Based on the problem's solution, choose or match the correct area (in square meters) from the following options:
  \[
  \begin{array}{c}
  \text{(a)} \, 120 \\
  \text{(b)} \, 10 \\
  \text{(c)} \, 24 \\
  \text{(d)} \, 52 \\
  \text{(e)} \, 240 \\
  \end{array}
  \]

#### Note
Ensure all steps align with the mathematical principles and validate
Transcribed Image Text:### Geometry Problem: Finding the Area of the Quadrilateral #### Problem Statement **Question 15:** Find the area. *Note, PQ = 13 and 12 is 1/2 of the diagonal PR.* #### Diagram Description - A quadrilateral \( PQRS \) is shown in the diagram. - Diagonal \( PR \) is indicated. - \( PQ \) has a length of 13 meters. - The length of 12 meters is marked as half of the diagonal \( PR \). - The quadrilateral is divided into two triangles by the diagonal \( PR \). #### Steps to Find the Area 1. **Understanding the Diagram:** - Given that 12 meters is half of diagonal \( PR \), the full length of \( PR \) is \( 2 \times 12 = 24 \) meters. - Therefore, \( PR = 24 \) meters. 2. **Area Calculation of Triangles:** - Using the fact that \( PQRS \) is divided into two triangles by diagonal \( PR \), calculate the areas of these triangles separately and sum them up. 3. **Breakdown:** - Calculate the area of triangle \( PQS \): - Use the given side lengths and any geometric properties. - Calculate the area of triangle \( PRS \): - Use the given side lengths and any geometric properties. 4. **Formula Application:** - For a simple calculation, we may need the heights corresponding to these bases \( PQ \) and \( PR \). - Use appropriate geometric or trigonometric methods to find heights, and apply the triangle area formula: \[ \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \] #### Answer Choices - Based on the problem's solution, choose or match the correct area (in square meters) from the following options: \[ \begin{array}{c} \text{(a)} \, 120 \\ \text{(b)} \, 10 \\ \text{(c)} \, 24 \\ \text{(d)} \, 52 \\ \text{(e)} \, 240 \\ \end{array} \] #### Note Ensure all steps align with the mathematical principles and validate
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