Monday, February 7, 2011

Surface Area and Volume Post

Show You Know pg. 185

Calculate the surface area of this cylinder to the nearest tenth of a square centimetre.





Show You Know pg.185

Calculate the surface area of a cylindrical waste bucket without a lid that measures 28 cm high and 18 cm in diameter. Give your answer to the nearest square centimetre.


1. What are the similarities and differences between finding the surface area of a prism and finding the surface area of a cylinder?


3. a) Draw a net for this cylinder. b) Sketch a different net for this cylinder


5. Find the surface area of each object to the nearest tenth of a square unit.


Cylinder Problems and Volume Problems



d/2=r


8/2=r


4m=r

v= π.r.r.h


v=(3.14 x 4 x 4 ) x 10


v=50.25cm^2 x 10m


v=502.4 cm^3

502.4/2 = 251.2m^3

3 comments:

  1. Good job Josh! I like how you put pictures to show your work. Next time, add color and videos to make your post more interesting. Anyways,good job!

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  2. Great job Joshua! Your post is very organized and easy to understand. I like you used pictures to show how you got your answer. I suggest you add some color to your post to make it more interesting. Good job!

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  3. Good job Joshua! Your post is well layed out. I really like how you took pictures instead of drawing them on the computer. It looks like you really planned it out. Next time you should try to add some color, it will make your post more interesting. Good job!

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