### Definition of Straight angle

1. Noun. An angle of 180 degrees.

Group relationships: Circumference
Generic synonyms: Angular Unit

### Straight Angle Pictures

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### Lexicographical Neighbors of Straight Angle

 straight-chainstraight-facedstraight-fluted drillstraight-forwardstraight-from-the-shoulderstraight-jacketstraight-jointstraight-lacedstraight-line methodstraight-line method of depreciation straight-outstraight-setsstraight Astraight Asstraight and narrowstraight angle (current term)straight archstraight armstraight armedstraight arming straight armsstraight arrowstraight as an arrowstraight awaystraight batstraight chainstraight chairstraight dinkumstraight edgestraight edges

### Literary usage of Straight angle

Below you will find example usage of this term as found in modern and/or classical literature:

1. Plane and Solid Geometry by George Wentworth, David Eugene Smith (1913)
"straight angle. When the sides of an angle extend in opposite directions, so as to be in the same straight line, the angle is called a straight angle. ,-*. ..."

2. Plane and Solid Geometry by George Albert Wentworth (1904)
"When the sides of an angle extend in opposite directions, so as to be in the same straight line, the angle is called a straight angle. FIG. 12. ..."

3. Plane and Solid Geometry by George Albert Wentworth (1899)
"When the sides of an angle extend in opposite directions, so as to be in the same straight line, the angle is called a straight angle. C FIG. 12. ..."

4. Plane and Solid Geometry by George Albert Wentworth (1899)
"When the sides of an angle extend in opposite directions, so as to be in the same straight line, the angle is called a straight angle. 0 FIG. i2. ..."

5. Plane Geometry by George Albert Wentworth (1899)
"A right angle is half a straight angle. 68. An angle less than a right angle is called an acute angle ... 13. less than a straight angle is called an obtuse ..."

6. Plane Geometry by George Albert Wentworth (1899)
"When the sides of an angle extend in opposite directions, so as to be in the same straight line, the angle is called a straight angle. FlO. 12. ..."

7. Plane Geometry: Experiment, Classification, Discovery, Application by Clarence Addison Willis (1922)
"A straight angle is one whose sides lie in the same straight line in opposite ... A reflex angle is greater than a straight angle and generally is not more ..."

8. Algebra: First Course by Edith Long, William Charles Brenke (1913)
"... a straight angle is called a reflex angle; a complete turn is called a perigon. c. A "BABA ,R straight angle BAG. Right Angle BAG. Acute Angle B AC. ..."