A pencil sharpened at both edges is the combination of _________ and __________. 

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  1. squares and cones 
  2. cylinders and cones 
  3. rectangle and cylinder
  4. rectangle and a cone

Answer (Detailed Solution Below)

Option 2 : cylinders and cones 
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Detailed Solution

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Given:

A pencil sharpened at both edges.

Formula Used:

The combination of shapes that make up the pencil.

Calculation:

A pencil is typically cylindrical in shape and the sharpened edges resemble cones.

Pencil body: Cylinder

Sharpened edges: Cones

Therefore, a pencil sharpened at both edges is a combination of a cylinder and two cones.

The correct answer is option 2.

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