Carpenter Red Seal Exam Prep · Question
A carpenter is building a shed with a gable roof. The run of the rafter is 2.44 metres, and the rise is 1.22 metres. What is the pitch of the roof?
Pitch is expressed as rise over run, with the run typically normalized to 12 units. Here, the run is 2.44 m and the rise is 1.22 m. To find the pitch for a 12-u
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Question: A carpenter is building a shed with a gable roof. The run of the rafter is 2.44 metres, and the rise is 1.22 metres. What is the pitch of the roof?
Answer options:
- 4:12
- 5:12 ✅ 6:12
- 8:12
Correct answer: 6:12
Explanation: Pitch is expressed as rise over run, with the run typically normalized to 12 units. Here, the run is 2.44 m and the rise is 1.22 m. To find the pitch for a 12-unit run, we calculate (1.22 / 2.44) * 12 = 0.5 * 12 = 6. Therefore, the pitch is 6:12.
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