rafter rise The pitch of a roof is defined as and the fraction is typically written with a denominator of 12. Determine the rafter run pitch of the roof from point A to point C. Rafter 7 ft Span 24 ft

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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Roof Pitch Calculation

**Question:**

The pitch of a roof is defined as \( \frac{\text{rafter rise}}{\text{rafter run}} \) and the fraction is typically written with a denominator of 12. Determine the pitch of the roof from point A to point C.

**Diagram:**
- A diagram is displayed with the following details:
  - There is a triangle representing the roof structure.
  - Point A is at the bottom left of the triangle, point B is at the bottom right, and point C is at the top center.
  - The segment labeled "Span 24 ft" represents the distance between points A and B at the base of the triangle.
  - The segment labeled "7 ft" represents the vertical height from the base to the peak of the roof, from point C to the midpoint of AB.

**Graph Explanation:**
- This graph shows a right triangle with a base (AB) spanning 24 feet and a height (vertical rise from the base to the peak of the roof, point C) of 7 feet. 
- The rafter AC and rafter BC are represented as the hypotenuse of the two right triangles formed by splitting the main triangle into two smaller right triangles.

### Steps to Determine Roof Pitch:
1. **Identify the rafter run:** The rafter run in this case is half of the span. Therefore, the rafter run is \( \frac{24 \text{ ft}}{2} = 12 \text{ ft} \).

2. **Identify the rafter rise:** The rafter rise is given as 7 ft.

3. **Calculate the pitch:**
   \[
   \text{Pitch} = \frac{\text{rafter rise}}{\text{rafter run}} = \frac{7 \text{ ft}}{12 \text{ ft}}
   \]

Therefore, the pitch of the roof from point A to point C is \( \frac{7}{12} \).
Transcribed Image Text:### Roof Pitch Calculation **Question:** The pitch of a roof is defined as \( \frac{\text{rafter rise}}{\text{rafter run}} \) and the fraction is typically written with a denominator of 12. Determine the pitch of the roof from point A to point C. **Diagram:** - A diagram is displayed with the following details: - There is a triangle representing the roof structure. - Point A is at the bottom left of the triangle, point B is at the bottom right, and point C is at the top center. - The segment labeled "Span 24 ft" represents the distance between points A and B at the base of the triangle. - The segment labeled "7 ft" represents the vertical height from the base to the peak of the roof, from point C to the midpoint of AB. **Graph Explanation:** - This graph shows a right triangle with a base (AB) spanning 24 feet and a height (vertical rise from the base to the peak of the roof, point C) of 7 feet. - The rafter AC and rafter BC are represented as the hypotenuse of the two right triangles formed by splitting the main triangle into two smaller right triangles. ### Steps to Determine Roof Pitch: 1. **Identify the rafter run:** The rafter run in this case is half of the span. Therefore, the rafter run is \( \frac{24 \text{ ft}}{2} = 12 \text{ ft} \). 2. **Identify the rafter rise:** The rafter rise is given as 7 ft. 3. **Calculate the pitch:** \[ \text{Pitch} = \frac{\text{rafter rise}}{\text{rafter run}} = \frac{7 \text{ ft}}{12 \text{ ft}} \] Therefore, the pitch of the roof from point A to point C is \( \frac{7}{12} \).
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