1 Give the azimuths of the lines AB, BC, CD, and DA shown in Figure P7-1. North is zero.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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I need a little help fiding the azimuths. What formula would work best in civil drafting?

**P7-1 Problem Statement:**

Determine the azimuths of the lines AB, BC, CD, and DA as illustrated in Figure P7-1. Note that North is set as zero degrees.

**Diagram Explanation:**

- The diagram is a quadrilateral labeled ABCD with the following interior angles: 
  - ∠A = 100°
  - ∠B = 65°
  - ∠C = 135°
  - ∠D = 60°
- Line segments present in the quadrilateral are labeled as:
  - Line AB
  - Line BC
  - Line CD
  - Line DA

**Azimuth Directions:**

1. **Line AB:**
   - Begins from point A, extends towards point B. Azimuth from North is marked as 5°.

2. **Line BC:**
   - Begins from point B, extends towards point C. The azimuth for this line needs to be determined.

3. **Line CD:**
   - Begins from point C, extends towards point D. The azimuth for this line needs to be determined.

4. **Line DA:**
   - Begins from point D, extends back towards point A. The azimuth for this line needs to be determined.

- A directional symbol indicates North on the left side of the diagram.
- The task is to calculate the azimuths based on given angles inside the quadrilateral.
Transcribed Image Text:**P7-1 Problem Statement:** Determine the azimuths of the lines AB, BC, CD, and DA as illustrated in Figure P7-1. Note that North is set as zero degrees. **Diagram Explanation:** - The diagram is a quadrilateral labeled ABCD with the following interior angles: - ∠A = 100° - ∠B = 65° - ∠C = 135° - ∠D = 60° - Line segments present in the quadrilateral are labeled as: - Line AB - Line BC - Line CD - Line DA **Azimuth Directions:** 1. **Line AB:** - Begins from point A, extends towards point B. Azimuth from North is marked as 5°. 2. **Line BC:** - Begins from point B, extends towards point C. The azimuth for this line needs to be determined. 3. **Line CD:** - Begins from point C, extends towards point D. The azimuth for this line needs to be determined. 4. **Line DA:** - Begins from point D, extends back towards point A. The azimuth for this line needs to be determined. - A directional symbol indicates North on the left side of the diagram. - The task is to calculate the azimuths based on given angles inside the quadrilateral.
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