Geometry Mod 1 Vocab

Front

Collinear points...

Back

are on the same line

Front

When two points are coplanar, they...

Back

are on the same plane

Front

Congruent means...

Back

the same

Front

A line...

Back

is made up of points, has no thickness or width, and extends indefinitely in both directions.

Front

Midpoint: The point on a line equidistant from both ends.

Back

The point on a line that is at equal distance from either end.

Front

What is an angle bisector?

Back

Cuts an angle in half.

Front

Distance formula:

Back

\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}

Front

Pythagorean theorem:

Back

a² + b² = c²

Front

Midpoint formula:

Back

Front

Supplementary angles...

Back

Add up to 180°