Question

Determine the volume of the figure. Use 3.14 for

π
π
. Round your answer to the nearest tenth. Show all of your work.

Answer 1

1986.9 units^3

Explanation:

Hemisphere:

V=[(4/3)pi*r^3]/2

V=[(4/3)pi*7.2^3]/2

V=[(4/3)pi*373.248]/2

V=1562.66496/2

V=781.33248

Cylinder:

V=pi*r^2*h

V=pi*7.2^2*7.4

V=pi*51.84*7.4

V=1204.55424

Added together:

781.33248+1204.55424 ~ 1986.9 units^3

Answer 2

2768.6

Explanation: