ClipArt ETC
Illustration showing that the sum of all the angles about a point equals 360°.

360° Sum of Angles

Illustration showing that the sum of all the angles about a point equals 360°.

Illustration showing that angles 1 and 2 are vertical and angles 3 and 4 are vertical.

Vertical Angles

Illustration showing that angles 1 and 2 are vertical and angles 3 and 4 are vertical.

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in standard position that have a common terminal side. In this illustration, both angles are labeled with the proper degree measure.

360° and 0° Coterminal Angles

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in…

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in standard position that have a common terminal side. In this illustration, neither angle is labeled.

360° and 0° Coterminal Angles

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in…

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in standard position that have a common terminal side. In this illustration, only the negative angle is labeled with the proper degree measure.

360° and 0° Coterminal Angles

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in…

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in standard position that have a common terminal side. In this illustration, only the positive angle is labeled with the proper degree measure.

360° and 0° Coterminal Angles

Illustration showing coterminal angles of 360° and 0°. Coterminal angles are angles drawn in…