Straight Angle
An angle that measures 180 degrees
A straight angle is an angle that measures exactly 180 degrees. In other words, it is the largest possible angle that can be formed within a two-dimensional plane. This angle is created by a straight line that intersects with another line or two other lines at a point. The two segments of the intersecting lines form opposite rays, which extend out in opposite directions from the point of intersection.
Visually, a straight angle appears as a straight line, similar to a perfectly horizontal or vertical line. If we were to bisect a straight angle, we would get two smaller angles, each measuring 90 degrees. Thus, a straight angle can be viewed as the sum of two right angles.
We commonly encounter straight angles in geometry, trigonometry, physics, and engineering applications, as well as in everyday life. For instance, a straight angle appears in the shape of a baseball diamond, a picture frame, or a flagpole. Knowing how to identify and measure straight angles helps in solving various geometric problems and is useful in various fields.
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