A plane has an infinite number of edges.

## Other related questions:

### Q: How many edges must a planar graph have if it has 7 regions and 5 nodes?

A: A planar graph with 7 regions and 5 nodes must have at least 12 edges.

### Q: What is a plane in math?

A: A plane is a two-dimensional surface that extends infinitely in all directions.

### Q: Do planes have thickness?

A: Yes, planes have thickness.

### Q: What is a plane in geography?

A: A plane is a level surface that extends in all directions.

## Bibliography

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