Image is showing a loaf of bread
Volume of Revolution
Use the Questions and the applet to understand the concept of Volume of revolution using Disc Method
Table of Contents
- Applet
- Volume of Revolution
- Volume of Revolution with Applet
- Disc Method
- Disc Action!!!
- Solids of Revolution (Discs)
Volume of Revolution
Try to answer these Questions
Q1. Name the Geometrical Solid associated with each Situation
Q1
a) A stack of 100 copies of the same book.[br][br]b) A stack of 100 tires (bike or car) all of the same radius.[br]
Based on the image shown
Q. If you know the volume of one slice of bread, can you work out the volume of a loaf for n- number of slices of bread in a loaf.
Image is showing a Cucumber
(At home)You may try to cut a cucumber in to slices of equal width
How will you work out the volume of this Pepino (Cucumber) if you have n- number of slices and and volume of one slice?
Image is showing some discs are stacked
Image 3, Discs are layered
Can you work out the volume of Solid formed by layers of discs? if yes then please explain how
Which one would be the best for estimation
So far you have seen four different situations (Images) Which one can give you the best estimation of the actual volume of solids and how can we improve the accuracy of the volume?
Disc Action!!!
TO EXPLORE IN AUGMENTED REALITY:
1) Open up GeoGebra 3D app on your device. [br][br]2) Select the 3 horizontal bars (up top left). Select [b]OPEN[/b]. [br] In the search bar, type this code: [b]hhRJQyz9[br] [/b](Note: these characters are the last eight characters seen in the URL for this resource). [br] [br] Tap on the 1 resource that appears.