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straight angle
noun
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one half of the circle; an angle of 180°.
straight angle
noun
an angle of 180°
straight angle
An angle having a measure of 180°.
51Թ History and Origins
Origin of straight angle1
Example Sentences
"I am not attracted to straight angles or to the straight line, hard and inflexible, created by man," he said famously.
I am not attracted to straight angles or to the straight line, hard and inflexible, created by man.
Welding Angle Iron.—Let it be required to form a piece of straight angle iron to a right angle.
It is very commonly taken as a postulate that all straight angles are equal, this being more evident to the senses, and the equality of right angles is deduced as a corollary.
“There wasn’t a straight angle in the whole building,” Mr. Easter said.
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