Wednesday, March 2, 2011

Derec's Cylinder Homework

Cylinder Volume and Volume Problems










a.)
V=π x r x r x h
V=3.14 x 10 x 10
V=314 x 20
V=6280

b.)
V= π x r x r x h
V=3.14 x 1 x 1
V=3.14 x 1
V=3.14

c.)V=π x r x r x h
V=3.14 x 18 x 18
V=1017.36 x 7.5
V=7630.2

What is the volume of each cylinder?
a) radius = 5 cm, height = 8 cm
b) radius = 11 cm, height = 11 cm
c) radius = 1.1 m, height = 2.6 m
d) height = 25 cm, radius = 4.5 cm

a.)
V=π x r x r x h
V=3.14 x 5 x5
V=78.5 x 8
V=628

b.)
a.)
V=π x r x r x h
V=3.14 x 11 x 11
V=379.94 x 11
V=4179.34

c.)
V=π x r x r x h
V=3.14 x 1.1 x 1.1
V=3.80 x 2.6
V=9.88

d.)
V=π x r x r x h
V=3.14 x 4.5 x 4.5
V=63.58 x 25
V=1589.5

2 comments:

  1. Good job, Derec! Great expainations! Next time add a link or video to enhance your presentation.

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  2. Great post Derec. Your post is well done because you have made some improvements since your last posts. Next time you should add a video and a link.

    ReplyDelete