Wednesday, February 16, 2011

Casey's volume post 3, 9, 11

3. a) area of the basexheight

15 cm2 x 4 cm = 60 cm3

b) area of the basexheight

18 cm2 x 12 cm = 216 cm3

c) area of basexheight

96 cm2 x 20 cm = 1920 cm3

9. There are four ways to build a rectangular prism from 16 cm cubes.

11. area of the basexheight

10.4 cm2 x 9 cm = 93.6 cm3

p.s. sorry for no videos they would not work on my computer

a) v= (pi x r x r) x h b) v= (pi x r x r) x h

v= ( 3.14 x 5 x 5) x 23 v= (3.14 x 14 x 14) x 12

v= 78.5 cm2 x 23 cm v= 615.44 cm2 x 12 cm

v= 1805.5 cm3 v= 7385.28 cm3

c) v= (pi x r x r) x h

v= (3.14 x 0.5 x 0.5) x 1.5

v= 0.785 cm2 x 1.5 cm

v= 1.1775 cm3

Answer: 45 cm long, because they both have the same volume.


  1. Great Job Casey! very organized and laid out nicely. Great job on adding a picture. Next time you may wan't to add a video, link or so to help us more. Keep it up.

  2. Great job Casey it was organized and was easy to read. Next time try to put a video on your post or maybe a link

  3. Good job Casey! Next time you should add a different color on the number or letter so its easier to identify, and add a link ;) other than that keep up the good work!

  4. Good Job Casey! I liked how your scribe is organized and you added pictures. Next time add video and link. I understand that your computer is not working :) For Next time. Keep up the Goodwork!

  5. Good job Casey! I liked how you have pictures and info. Next time, try to add a link. Keep it up!

  6. Great job Casey!
    I like how you used a picture, and colour. Next time you should put a link and a video in your work. Besides that everything is alright, keep up the good work.

  7. Gwed job Casey :) next time add a link and more pictures. it would help ME more.