Straight Angle - Definition and Examples
A straight angle is an angle that has a measure of 180 degrees. The figure below shows an angle whose measure is 180 degrees. The red arc shows the straight angle.
looking at the figure above, notice that the straight angle is made up of two right angles and the right angles are shown with two black symbols.
More examples of straight angles
Some properties of straight angles
- It is half a complete angle.
- It is the sum of two right angles
- It is half of a revolution
- A straight angle is formed by rotating one ray by 180 degrees in relation to another ray.
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