Section Formula
Chapter Name : Coordinate Geometry |
Sub Topic Code : 104_10_07_03_01 |
Topic Name : Section Formula |
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Sub Topic Name : Section Formula |
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Introduction
Derivation and Applications of Section Formula
Pre-Requisites:
Basic Coordinate System, Distance Formula
Activity:
Construction sites are full of examples of section formula, for balancing temporary structures.
Real Life Question:
How is GPS location of a place calculated?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Midpoint Theorem | Helps to find the centre of a line or area. |
| Section Formula | Determination of co-ordinates of a point dividing a line in a fixed ratio. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Graph Simulator | Helps you form accurate diagrams to stimulate visual response. |
Real life uses :
Finding GPS co-ordinates for points or lines dividing sections of land.
Places to visit :
Nil
Practical examples around us
| Examples | Explainations |
|---|---|
| Astronomy | Placement of satellites and stations at fixed places, to maintain a fixed ratio from planets and moons. |
What you learn in Theory:
Calculating the coordinates of a point dividing a given line, or two points in a given ratio.
What you learn in Practice:
Computing the co-ordinates (GPS) of points, which are tougher to find physically on the basis of given data.