Module 1.1 Review and Preview Vocab

Front

Define Midpoint.

Back

The point that divides a segment into two equal lengths.

Front

Define angle.

Back

A geometric figure formed when two lines meet at a point (vertex) and is measured in degrees.

Front

Define transformation.

Back

A change in the position, size, or shape of a figure or graph.

Front

Complementary angles:

Back

Two angles that sum to 90°.

Front

Define supplementary angles.

Back

Two angles whose measures sum to 180°.

Front

Define acute angle.

Back

An angle greater than 0° and less than 90°.

Front

Define obtuse angle.

Back

An angle > 90° and < 180°.

Front

Define angle bisector.

Back

A ray that divides an angle into two congruent angles.

Front

Vertex of an angle:

Back

Common endpoint of the angle's sides.

Front

Define collinear.

Back

Points that lie on the same line.