Solids in Revolution - Page 5

a. Click on [math]\beta[/math], and then press play. Which axis is the rectangle rotating around?

y-axis x-axis

b. Name the solid formed by rotating rectangle ABDC around the axis.

Prism Cone Pyramid Cylinder

c. Identify the height and the radius of the solid in revolution.

h=4, r = 3 h=3, r = 4 h=4, r = 2 h=4 r = 6

d. What is the surface area of the solid formed?

56[math]\pi[/math] 24[math]\pi[/math] 42[math]\pi[/math] 120[math]\pi[/math]

e. What is the volume of the solid formed?

16[math]\pi[/math] 48[math]\pi[/math] 36[math]\pi[/math] 144[math]\pi[/math]

Information: Solids in Revolution - Page 5