FTCE General Knowledge Math Practice Test 2025 – All-in-One Guide to Ensure Exam Success!

Question: 1 / 400

What is the measure of a straight angle?

90 degrees

180 degrees

The measure of a straight angle is indeed 180 degrees. A straight angle is formed when the two rays or lines extend in exactly opposite directions, creating a straight line. This means that the angle measures exactly half of a full rotation around a point.

In contrast, a 90-degree angle represents a quarter turn, a 270-degree angle corresponds to three-quarters of a turn, and a 360-degree angle signifies a complete rotation. Thus, the defining characteristic of a straight angle is that it measures precisely 180 degrees.

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270 degrees

360 degrees

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