It is called an obtuce angle because it looks like this right?:
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or a right angle if it looks like this:
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sraight angle
The second angle? angle B?
90o angle
A right angle
Angle BAE.
Anadorable angle
A big angle.
180 degree angle
straight angle
The Right Angle.
Right angle E. The vertex of any angle can also be used to name the angle.
Angle DEF is the same as angle FED.