Volumes of Pyramids notated...Find the volume of the Weirdo composite shape 11. 12 cm 10 cm A square...
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1 Volumes of Pyramids What fraction is it? 1 Volume is the stuff inside • So how is a rectangular prism and a rectangular pyramid different? How much less stuff would go inside? 2 The formula for Volume of a Pyramid 1 ( )( ) 3 base area height The hard part is the height. It is the height from the point at the top to the base, perpendicular to the base 3 An example square pyramid 8cm 9 cm 1 ( )( ) 3 base area height 4 5 6
Transcript of Volumes of Pyramids notated...Find the volume of the Weirdo composite shape 11. 12 cm 10 cm A square...
![Page 1: Volumes of Pyramids notated...Find the volume of the Weirdo composite shape 11. 12 cm 10 cm A square pyramid has a height of 12 centimeters and a volume of 64 cubic centimeters. Find](https://reader034.fdocuments.us/reader034/viewer/2022050507/5f987ace0c3e5964325b3c09/html5/thumbnails/1.jpg)
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Volumes of Pyramids
What fraction is it?
1
Volume is the stuff inside
• So how is a rectangular prism and a rectangular pyramid different? How much less stuff would go inside?
2
The formula for Volume of a Pyramid
1 ( )( )3base area height
The hard part is the height.It is the height from the point at the topto the base, perpendicular to the base
3
An example
square pyramid
8cm
9 cm
1 ( )( )3base area height
4
5 6
![Page 2: Volumes of Pyramids notated...Find the volume of the Weirdo composite shape 11. 12 cm 10 cm A square pyramid has a height of 12 centimeters and a volume of 64 cubic centimeters. Find](https://reader034.fdocuments.us/reader034/viewer/2022050507/5f987ace0c3e5964325b3c09/html5/thumbnails/2.jpg)
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Find the ratio of similarity and the ratio of volumes
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Similarity of Solids Theorem
• if the ratio of similarity of two solids is
• then the ratio of areas is
• and the ratio of volumes is
: aa b orb
22 2
2: aa b orb
33 3
3: aa b orb
9 10
Find the volume of the Weirdo composite shape
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