Which term describes an angle that measures exactly 180 degrees?

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Multiple Choice

Which term describes an angle that measures exactly 180 degrees?

Explanation:
An angle is the space between two rays that share a common endpoint. When those two rays point in opposite directions to form a straight line, the angle between them measures 180 degrees. That exact measure is called a straight angle. An acute angle is smaller than 90 degrees, so it isn’t 180. An equilateral triangle describes a shape with equal sides, not a single angle, and approximately isn’t a precise term for angle size.

An angle is the space between two rays that share a common endpoint. When those two rays point in opposite directions to form a straight line, the angle between them measures 180 degrees. That exact measure is called a straight angle. An acute angle is smaller than 90 degrees, so it isn’t 180. An equilateral triangle describes a shape with equal sides, not a single angle, and approximately isn’t a precise term for angle size.

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