Perpendicular From The Centre To A Chord
Chapter Name : Circles |
Sub Topic Code : 104_09_10_04_01 |
Topic Name : Perpendicular From The Centre To A Chord |
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Sub Topic Name : Perpendicular From The Centre To A Chord |
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Introduction
Perpendicular drawn from the center of circle to any chord.
Pre-Requisites:
Knowledge about circles, chord and arcs.
Activity:
Drawing the perpendicular and verifying its properties.
Real Life Question:
How the perpendicular from center affects the chord?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Chord | Take two points on circle and join the line segment, that line segment is known as chord. |
| Perpendicular from center | A line segment from the center which makes an angle of 90?. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Draw the perpendicular from center to the chord | Verify the associated theorems. |
Real life uses :
Solving geometrical problems of chords.
Practical examples around us
| Examples | Explainations |
|---|---|
| Finding distance between parallel chords | The distance between them is the sum of perpendiculars drawn on them from the center. |
What you learn in Theory:
Properties of the perpendicular drawn from center.
What you learn in Practice:
Verification of the theorems related to perpendiculars to chord.