Straight angle: An angle whose measure is two right angles or 180 degrees is called a Straight angle.
A straight angle is an angle that measures exactly 180 degrees, and it is formed by two rays that are opposite and intersect at a point.
Here are the characteristics of a straight angle:
Measurement: A straight angle measures exactly 180 degrees,
which means that it is half of a full circle.
Formation: A straight angle is formed by two rays that
intersect at a point and are opposite to each other.
Orientation: The two arms of a straight angle are collinear,
which means that they lie on the same straight line and point in opposite
directions.
Appearance: A straight angle looks like a straight line, and
it has no curvature or bend.
Properties: A straight angle is a special type of angle that
has unique properties. For example, any two straight angles are congruent,
which means that they have the same measurement of 180 degrees. Additionally, a
straight angle is supplementary to any angle that is adjacent to it, which
means that the sum of their measurements is equal to 180 degrees.
Overall, a straight angle is a fundamental concept in
geometry that is essential for understanding angles and their properties.
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