Angles

An angle has two arms and a corner called the Vertex.

 

image: cimt.plymouth.ac.uk

 

Measuring Angles:

Angles are measured in degrees. ( ° )

 

image: dummies.com

 

We use  a  protractor  to measure angles.

 

image: mathwecan.com

 

Naming Angles:

 

image: onlinemathlearning.com

 

The above angle may be named as  /_ ABC  or  /_ CBA  or  ABC  or  /_B  or  B .

 

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