Volume

Cylinders, Cones, Pyramids and Spheres

Cylinder

Volume = r2h

See homework examples

Real Life Cylinders

Cones

Cones

ConesA fact:

If Pringles came in a

cone, which was the same

height and diameter as the tall

tube, it would

contain one third

of the calories!!!

Why??

Cones

Volume = hr 23

1Slant

height (l)

Example: find the volume of this cone

Pyramids

Pyramids

Pyramids

Pyramids

Volume =

1/3 x base area x height

Find the volume of this pyramid

Spheres

4/3 of the yumminess of a cube-shaped container!!

Volume = 3

3

4r

Find the volume of a sphere whose diameter is 15 cm

Complete this table

Solid Volume

D = 10cmL = 15 cm

H = 13 cmR = 3.5 cmL = 9 cm

H = 60 mL = 50 mW = 40 m

D = 23 mm

Chopping up a cone

A conical frustum

A smaller cone

Chopping up a pyramid

A smaller pyramid

A pyramidal frustum

Real life frustums…