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Solids in Revolution

Katie Drach, Apr 23, 2016

1. Solids in Revolutions - Page 1
2. Solids in Revolutions - Page 2
3. Solids in Revolution - Page 3
4. Solids in Revolution - Page 4
5. Solids in Revolution - Page 5
6. Solids in Revolution - Page 6
7. Solids in Revolution - Page 7
8. Solids in Revolution - Page 8

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Solids in Revolutions - Page 1

Task 1

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

y-axis x-axis

b. Name the solid formed by rotating triangle ABC around the axis.

Pyramid Cone Prism Cylinder

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

h = 8, r = 12 h = 8, r = 6 h = 6, r = 8 h = 6, r = 16

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

84[math]\pi[/math] 96[math]\pi[/math] 112[math]\pi[/math] 144[math]\pi[/math]

e. What is the volume of the solid formed?

213[math]\pi[/math] 96[math]\pi[/math] 120[math]\pi[/math] 128[math]\pi[/math]

– Katie Drach

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