Q: What kind of angle is -180 degrees?

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obtuse angle

The last major kind of angle is the straight angle. A straight angle is an angle that measures exactly 180 degrees.

An obtuse angle.

Such an angle is called an obtuse angle

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sumplementary

obtuse angle

The last major kind of angle is the straight angle. A straight angle is an angle that measures exactly 180 degrees.

It is a reflex angle because it is greater than 180 degrees

An obtuse angle.

Such an angle is called an obtuse angle

No, 180 degrees is a straight angle. A reflex angle is one whose value is between 180 and 360 degrees.

It is greater than 90 degrees and less than 180 degrees so it is an obtuse angle.

An obtuse angle is between 90 and 180 degrees

Any angle between 90 and 180 degrees is an obtuse angle. Therefore: 160 degrees is an obtuse angle.

An angle of 180 degrees is a straight angle, a straight line.

169 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees