Geometry worksheet matching angle types to their degree measures.

Let’s go step by step to match each angle type with its correct characteristic.

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Step 1: Understand what each angle means

- Right angle: This is the corner of a square — exactly 90 degrees.
- Acute angle: Smaller than a right angle — less than 90 degrees.
- Straight angle: Looks like a straight line — exactly 180 degrees.
- Reflex angle: Bigger than a straight line but less than a full circle — more than 180°, less than 360°.
- Complete revolution: A full circle — 360 degrees.
- Obtuse angle: Bigger than a right angle but smaller than a straight line — more than 90°, less than 180°.

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Step 2: Match each number to the right description

Look at the characteristics on the right:

- 360° → That’s a full turn → Complete revolution
- 90° → Right angle → Right angle
- >180° → More than 180° → That’s a Reflex angle
- >90° <180° → Between 90 and 180 → Obtuse angle
- 180° → Straight line → Straight angle
- <90° → Less than 90 → Acute angle

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Step 3: Match them in order as listed on the left

The list on the left is:

1) Right angle → matches 90°

2) Acute angle → matches <90°

3) Straight angle → matches 180°

4) Reflex angle → matches >180°

5) Complete revolution → matches 360°

6) Obtuse angle → matches >90° <180°

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✔ All matches are now confirmed. No calculations needed — just knowing definitions.

Final Answer:
1) 90°
2) <90°
3) 180°
4) >180°
5) 360°
6) >90° <180°