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ARMS OF AN ANGLE
Arms Of An Angle
Definition Of Arms Of An Angle
Arms of an angle are the two lines that meet at a point to form an angle.
More About Arms of an Angle
The point where the two arms of an angle meet is called vertex
Examples of Arms of an Angle
Video Examples: Math Antics - Angle Basics
Solved Example on Arms of an Angle
Ques: Identify the arms of a given angle.
Choices:
A. vertex P and Q
B. line PR and PQ
C. points R and Q
D. ∠RPQ and ∠PRQ
Correct Answer: B
Solution:
Step 1: Arms of an angle are the two lines that meet at a point to form the angle.
Step 2: So, the arms of the angle are line PR and PQ.
Quick Summary
- An angle is formed by two lines.
- The two lines are called the arms of the angle.
- The point where the arms meet is called the vertex.
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🍎 Teacher Insights
Use real-world examples like the hands of a clock or the corner of a book to illustrate the concept of arms of an angle.🎓 Prerequisites
- Points
- Lines
- Basic geometric shapes
Check Your Knowledge
Q1: Which of the following correctly identifies the arms of angle ∠RPQ in the image?
Frequently Asked Questions
Q: What is the vertex of an angle?
A: The vertex is the point where the two arms of the angle meet.
Q: Are the arms of an angle line segments or lines?
A: The arms of an angle are lines, even though they are often depicted as line segments in diagrams.