obtuse angle greater than 90 . right angle exactly 90 . str

1
Drawing Angles
An angle is formed when two rays share a common
endpoint. The rays make the sides of the
angles.The common endpoint is the vertex. You
can name the angle at the right
ltABC
ltCBA
lt1
ltB
You can classify angles with their measures.
Acute Angle Less than 90º
Obtuse Angle Greater than 90º
Right Angle Exactly 90º
Straight Angle Exactly 180º
2
Drawing Angles