surface area of triangular prisms greg morrison. definition: the sum of the areas of all of the...
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![Page 1: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/1.jpg)
Surface Area of Triangular Prisms
Greg Morrison
![Page 2: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/2.jpg)
• Definition:The sum of the areas of all of the faces of a three-dimensional figure.
• Ex. How much construction paper will I need to fit on the outside of the shape?
![Page 3: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/3.jpg)
A triangular prism has 5 faces.
FRONT
BACK
RIGHT
LEFT
BOTTOM
•2 Triangular bases•3 rectangular sides
![Page 4: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/4.jpg)
Surface Area of a Triangular Prism
If we break down our triangular prism into a net,it looks like this:
In a triangular prism there are five sides, two triangles and three rectangles.
![Page 5: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/5.jpg)
A triangular prism has 5 faces.
FRONT
BACK
RIGHT
LEFT
BOTTOM
![Page 6: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/6.jpg)
In order to find the surface area, find the area of each face. Then sum all of the
areas.
FRONT
BACK
RIGHT
LEFT
BOTTOM
![Page 7: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/7.jpg)
Side 1 ½(9 × 4) 18 cm2
Side 2 ½(9 × 4) 18 cm2
Side 3 4.5 x 8.1 36.45 cm2
Side 4 9 x 8.1 72.9 cm2
Side 5 7.2 x 8.1 58.32 cm2
TOTAL 203.67 cm2
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Practice Time!
![Page 9: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/9.jpg)
Find the Surface Area
![Page 10: Surface Area of Triangular Prisms Greg Morrison. Definition: The sum of the areas of all of the faces of a three-dimensional figure. Ex. How much construction](https://reader036.vdocument.in/reader036/viewer/2022083009/5697bfb81a28abf838c9f2c4/html5/thumbnails/10.jpg)
Find the Surface Area
8.5 cm2.2 cm
2 cm
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Find the Surface Area
5 cm3 cm
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Find the Surface Area