GED Math Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is a straight angle?

An angle that measures exactly 180 degrees

A straight angle is defined as an angle that measures exactly 180 degrees. This means that when two rays emerge from a single point and point directly opposite each other, they create a straight line, which is represented by a 180-degree angle. This is a fundamental concept in geometry, distinguishing a straight angle from other types of angles, like acute angles (which are less than 90 degrees) and reflex angles (which are greater than 180 degrees but less than 360 degrees). A straight angle serves as a key reference point when discussing the measurement and classification of angles.

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An angle that measures less than 90 degrees

An angle that measures more than 180 degrees

An angle that measures 360 degrees

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