Cone

Definition of Cone

• Cone is a three-dimensional figure that has one circular base and one vertex.

More about Cone

• Right Cone: A right cone is a cone in which the vertex is aligned directly above the center of the base. The base need not be a circle here.
• Right Circular Cone: When the base of a right cone is a circle, its called a right circular cone. In a right circular cone, each point on the circle is equidistant from the vertex of the cone.

• Oblique cone: When the vertex of a cone is not aligned directly above the center of its base, its called an oblique cone.

                              

Solved Example on Cone

Find the base area of a cone of height 5 units and base radius 2 units.

Choices:

A. 5

B. 2

C. 4
D. 12.57

Correct Answer: D

Solution:

Step 1: The base radius is 2 units.

Step 2: So, the area of the base is = 12.57 sq units.

Related Terms for Cone

• Circle
• Vertex
• Base
• Right Cone
• Oblique Cone
• Right Circular Cone
• Height
• Three-dimensional Figure

 

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