Concept 2 of 8Foundation
Watch on YouTubeVideoWhat is an angle?
An angle is formed when two rays meet at a common endpoint called the vertex.
The rays are called the arms. Angles are measured in degrees (°) using a protractor.
One full turn = 360°. A half turn = 180° (straight). A quarter turn = 90° (right).
Example
Clock at 3:00 — hands form a 90° angle. At 12:30 — form a small acute angle near 15°.
💡 Tip:Angle doesn't depend on length of arms — only how wide they open.
▶Prefer a video? Open YouTube search for “what is an angle class 6”↗🎯 Try it!
5 questions to check what you just read.
0 / 5
- Q1.The common endpoint of two rays forming an angle is called:
- Q2.Angles are measured in:
- Q3.A full rotation is:
- Q4.A quarter turn equals:
- Q5.An angle's size depends on: