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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°.
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51Թ History and Origins
Origin of straight angle1
First recorded in 1595–1605
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Example Sentences
Examples have not been reviewed.
"I am not attracted to straight angles or to the straight line, hard and inflexible, created by man," he said famously.
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I am not attracted to straight angles or to the straight line, hard and inflexible, created by man.
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Welding Angle Iron.—Let it be required to form a piece of straight angle iron to a right angle.
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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.
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“There wasn’t a straight angle in the whole building,” Mr. Easter said.
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