Angle Subtended By An Arc Of A Circle
Chapter Name : Circles |
Sub Topic Code : 104_09_10_07_01 |
Topic Name : Angle Subtended By An Arc Of A Circle |
|
Sub Topic Name : Angle Subtended By An Arc Of A Circle |
|
Introduction
Angle subtended by an arc at different points of circle.
Pre-Requisites:
Knowledge about circles, chords and arcs.
Activity:
The proof of the theorem can be verified.
Real Life Question:
How can an arc subtend an angle on points of circle.
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Arc | It is small piece of the circle between two points or a part of the circle from complete revolution. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Take two points on circle | Name them an arc and observe associated theorems. |
Real life uses :
Solving geometrical problems with circles and arcs.
Practical examples around us
| Examples | Explainations |
|---|---|
| The angle between hands of clock | The angle between minute and hour hand is the angle subtended by that arc at the center. |
What you learn in Theory:
Proving the associated theorems.
What you learn in Practice:
Splitting the circle on angular basis.