Definition of Angle
An angle is formed by two rays with a common endpoint (called the vertex).
Examples of Angle
In the figure shown, angle AOB is formed by the rays OA and OB with a common endpoint O.
Video Examples: All things Angles GCSE Maths Foundation exam worked examples
Solved Example Clockple on Angle
Ques: How many angles are formed by three rays with a common vertex?
Correct Answer: A
Step 1: The figure shown has three rays PQ, PR, and PS with a common vertex P.
Step 2: The angles formed by these 3 rays are QPR, RPS, and QPS.
Step 3: So, three rays can form 3 angles.