Angles, Triangle, Quadrilaterals

An angle that Measures exactly 90°. Exactly 1/4 turn.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

• Reflex Angle

An angle that Measures more than 0° but less than 90°.

Less than 1/4 turn.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

• Reflex Angle

An angle that Measures more than 90° but less than 180°.

More than 1/4 turn but less than 1/2 turn.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

• Reflex Angle

An angle that Measures more than 180° but less than 360°.

More than a half turn but less than a full turn.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

• Reflex Angle

An angle that Measures exactly 180°. Exactly 1/2 turn.

• Acute Angle

• Right Angle

• Obtuse Angle

• Straight Angle

• Reflex Angle

It is a portion of a line that has one endpoint and extends infinitely in one direction.

• Angle

• Ray

• Vertex

It is formed by two lines (or rays) that share a common endpoint called the vertex. It is the measurement of the rotation or the space between two intersecting lines or rays.

• Angle

• Ray

• Vertex

It is a point where two or more lines or rays meet.

• Angle

• Ray

• Vertex

Name the angle.

Name the angle.