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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
A right angle
90o angle
Angle BAE.
Anadorable angle
A big angle.
The second angle? angle B?
180 degree angle
straight angle
The Right Angle.
Angle DEF is the same as angle FED.
If the angle is larger than a right angle it is obtuse