Included definition: Angle made by two lines with a common vertex.
Math Open Reference

Definition of a full angle. An angle whose measure is exactly 360°.
Math Open Reference

Definition and properties of complementary angles  two angles that add to 90 degrees
Math Open Reference

Use your knowledge of vertical angles and supplementary angles to find the measurements for all angles. Answers included.
MathDrills.com

This website is a practice worksheet for naming angles. The answer sheet is there also.
MathDrills.com

Worksheet with right angle questions and answers.
Helping with Math

Explanation and diagram of straight angles
Math is Fun

Explanation of obtuse angles
Math is Fun

Explanation of right angles
Math is Fun

Explanation and diagram of exterior angles.
Math is Fun
