Types of angles
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Transcript of Types of angles
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