Sunday, March 11, 2012

Isabel's Surface Area and Volume Post

#1: Rectangular Prism
Shape


l(length) x w(width)
- Front: 10m by 6m
- Top: 10m by 5m
- Side: 5m by 6m



Net

l(length) x W(width)
- Front: 10m by 6m
- Top: 10m by 5m
- Side: 5m by 6m


Surface Area

l(length) x w(width)

- Front: 10m by 6m= 60m
- Top: 10m by 5m= 50m
- Side: 5m by 6m= 30m
TSA= 2x (F+T+S)
= 2x (60+50+30)
= 2x (140m)
= 280 m2






#2: Triangular Prism

Shape




Net



Surface Area
- 5 x 27= 145 cm
- formula: bxh/2
8x9/2
72/2
36 cm
- 145+36+36= 207 cm2



#3 Cylinder
Shape
- Diameter 8 mm
- Rectangle 12mm


Net


Surface Area


  • Please do correct me if I did something wrong. But, I hope this post will help you to improve your skills :D

  • Sorry that you can't see some of them because I used pencil but next time I will really take the time to outline it with dark marker.

Volume

1.



2.

3.


4.


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