Arc of a circle

1. 

Objectives

1. The students learn that an arc is a part of a circle included between two distinct points on the circumference of the circle.
2. The students learn that the the larger arc is called major arc and the smaller one is called minor arc.

Estimated Time

10 minutes

Prerequisites/Instructions, prior preparations, if any

1. The students should know to draw a circle using compass.
2. They should know that arc is part of the circumference.

Materials/ Resources needed

White paper, pencil, compass, scale and colour pencils.

Process (How to do the activity)

• Explain the concept of arc by drawing a circle and two points on its circumference. The part of the circumference within the two points in either directions are called its arcs.
• Show the labelling of arcs.
• Evaluation

1. What is the longest arc of a circle called?
2. What are the arcs called when both major and minor arcs are of same size?