ANGLES

Types of AnglesNichole Graham-Treston

TYPES OF ANGLESRight angles are 90o.Acute angles are less than 90o.Obtuse angles are more than 90o

but less than 180o.Reflex angles are more than 180o.

Straight angles are measured at 180°

RIGHT ANGLE measures 90°

The angle is marked with a box

ACUTE less than 90°

REFLEX

more than 180° but less than 360°

OBTUSE

Obtuse - more than 90° but less than 180°

STRAIGHT ANGLE

Measures 180°

CAN YOU NAME THE FOLLOWING ANGLES????

WHAT TYPE OF ANGLES ARE THESE?

Acute Angles

WHAT TYPE OF ANGLES ARE THESE?

Obtuse Angles

WHAT TYPE OF ANGLES ARE THESE??

Right Angles

WHAT TYPE OF ANGLES ARE THESE??

Reflex Angles

WHAT TYPE OF ANGLES ARE THESE???

Straight Angles

As the angle increases its name changes.

Straight

A – acuteR – rightO – obtuseS – straightR - reflex