Rotate 2D to 3D

If an equilateral triangle is continuously rotated around one of its medians, which three-dimensional object is generated?

• cone

• pyramid

• prism

• sphere

Name the solid that would be formed by rotating the shape about a given axis.

• Sphere

• Cone

• Cyliner

• Frustum

A rectangle and a horizontal line segment are shown. What is the resulting object when the rectangle is rotated around the horizontal line segment?

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• 
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Find the lateral surface area. Use pi for pi. The diameter is 18. Round to the nearest tenths.

• 7121.5

• 1780.4

• 395.6

• 197.9

Find the volume of the figure. Round to the nearest tenth.

• 128.6 units³

• 1,286.8 units³

• 401.9 units³

• 5,144.6 units³

Tags

8.7.A

Identify the solid of revolution generated by revolving the region around the fixed line 𝓁.

• A

• B

• C

• D

What is the volume of the shape?

• 83.8 in³

• 92.6 in³

• 97.3 in³

• 86.1 in³

if this triangle is rotated about the x axis, match the correct items below

• radius

• 6 units

• volume

• 3 units

• solid of revolution

• height

• cone

When this is rotated, what is the height of the cone that is formed?

When this is rotate what is the radius of the cylinder that is formed?