Coplanar Lines Sums

coplanar lines+sums

Coplanar Lines
Definition
Properties
Examples
Sums
Definition
Properties
Examples
Two lines are coplanar if they lie in the same plane
If two lines are coplanar, they are either parallel, intersecting, or coincident
Line AB is coplanar with line CD
Sum is the result of addition
Sum of two even numbers is always even
Example: 2+2=4