Frustum Of A Cone
Chapter Name : Surface Areas And Volumes |
Sub Topic Code : 104_10_13_05_01 |
Topic Name : Frustum Of A Cone |
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Sub Topic Name : Frustum Of A Cone |
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Introduction
Frustum of a cone and its surface area and volume.
Pre-Requisites:
Knowledge of Cone and its surface area and volume.
Activity:
Observe the shapes of buckets and glasses.
Real Life Question:
What is the shape of a bucket?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Solid figures | They are the three dimensional figures which posses volume in the free space. |
| Frustum of a cone | If we slice the cone parallel to the base the lower part is known as frustum. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Take a cone | Slice the cone with a plane parallel to the base and the lower leftover is the frustum. |
Real life uses :
Used to find out the area and volume of frustums.
Practical examples around us
| Examples | Explainations |
|---|---|
| Buckets | If you tilt a bucket, it will be the frustum of cone. |
What you learn in Theory:
To find out the surface area and volume of frustum.
What you learn in Practice:
Finding out the material used in manufacturing and area to paint.