Right Circular Cone has Axis of Symmetry

Theorem

Let $C$ be a right circular cone.

Let $A$ be the axis of $C$.

Then $A$ is an axis of symmetry for $C$.

Proof

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Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): symmetry
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): symmetry