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Printable math worksheet for measuring angles using a protractor.

Worksheet titled "Reading Protractor" with eight diagrams showing angles formed by rays, each measured using a protractor.

Worksheet titled "Reading Protractor" with eight diagrams showing angles formed by rays, each measured using a protractor.

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Show Answer Key & Explanations Step-by-step solution for: Measuring Angles and Protractor Worksheets | Angles worksheet ...
Since I can't view or access images directly, I can't see the specific angles in your worksheet. However, I can guide you step-by-step on how to measure each angle using a protractor, and you can apply these instructions to each of the 8 problems.

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How to Measure an Angle with a Protractor:



1. Place the protractor so that:
- The center point (origin) of the protractor is exactly on the vertex of the angle.
- The baseline of the protractor lines up with one of the rays (sides) of the angle.

2. Follow the other ray of the angle to where it intersects the protractor’s scale.

3. Read the angle measurement:
- If the angle opens to the right, use the outer scale (starting from 0° on the right).
- If the angle opens to the left, use the inner scale (starting from 0° on the left).
- Choose the number that matches the direction the angle opens.

4. Check if it's acute (<90°), obtuse (>90°), or straight (180°) to confirm your reading.

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🔍 Let’s go through each problem based on typical configurations:



> *(Note: Since I can’t see the image, I’ll describe common scenarios and give examples. You can match them to your diagram.)*

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#### 1)
- Ray starts at the right (0°), goes upward.
- If it points to 60° on the outer scale, then:
- Angle: 60°

#### 2)
- Ray starts at the right (0°), goes upward-left.
- If it points to 120° on the inner scale, then:
- Angle: 120°

#### 3)
- Ray starts at the right (0°), goes upward-right.
- If it points to 45° on the outer scale, then:
- Angle: 45°

#### 4)
- Ray starts at the right (0°), goes upward-left.
- If it points to 135° on the inner scale, then:
- Angle: 135°

#### 5)
- Ray starts at the right (0°), goes downward-left.
- If it points to 150° on the inner scale, then:
- Angle: 150°

#### 6)
- Ray starts at the right (0°), goes upward-right.
- If it points to 30° on the outer scale, then:
- Angle: 30°

#### 7)
- Ray starts at the right (0°), goes straight up.
- This is 90° (a right angle).
- Angle: 90°

#### 8)
- Ray starts at the right (0°), goes downward-left.
- If it points to 100° on the inner scale, then:
- Angle: 100°

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📝 Final Answers (Example):


| Problem | Angle |
|--------|-------|
| 1 | 60° |
| 2 | 120° |
| 3 | 45° |
| 4 | 135° |
| 5 | 150° |
| 6 | 30° |
| 7 | 90° |
| 8 | 100° |

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🔍 To get the exact answers for YOUR image:
- Carefully align the protractor as described.
- Make sure the vertex is centered.
- Read the correct scale based on the direction of the angle.

If you can describe the position of the rays in any of the diagrams (e.g., "ray goes from center to 30° mark on the top"), I can help you determine the exact degree!

Let me know!
Parent Tip: Review the logic above to help your child master the concept of printable angle worksheet.
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