Difference between revisions of "Straight angle"
(Example of a straight angle) |
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A '''straight angle''' is an [[angle]] in which the two sides of the angle lie along a single [[line]], pointing in opposite directions. The measure of every straight angle is 180 [[degree (geometry) | degrees]] or <math>\pi</math> [[radian]]s. | A '''straight angle''' is an [[angle]] in which the two sides of the angle lie along a single [[line]], pointing in opposite directions. The measure of every straight angle is 180 [[degree (geometry) | degrees]] or <math>\pi</math> [[radian]]s. | ||
| + | |||
| + | <asy> | ||
| + | pair A, B, I; | ||
| + | |||
| + | A = (-1, 0); | ||
| + | B = (1, 0); | ||
| + | I = (0, 0); | ||
| + | |||
| + | draw(A--B, Arrows); | ||
| + | draw(anglemark(B, I, A, 4)); | ||
| + | |||
| + | label("$180^\circ$", I, 4N); | ||
| + | </asy> | ||
==See Also== | ==See Also== | ||
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** [[Acute angle]] | ** [[Acute angle]] | ||
** [[Obtuse angle]] | ** [[Obtuse angle]] | ||
| + | ** [[Reflex angle]] | ||
{{stub}} | {{stub}} | ||
| − | [[Category: | + | [[Category:Definition]] |
[[Category:Geometry]] | [[Category:Geometry]] | ||
Latest revision as of 12:50, 12 June 2022
A straight angle is an angle in which the two sides of the angle lie along a single line, pointing in opposite directions. The measure of every straight angle is 180 degrees or 
radians.
![[asy] pair A, B, I; A = (-1, 0); B = (1, 0); I = (0, 0); draw(A--B, Arrows); draw(anglemark(B, I, A, 4)); label("$180^\circ$", I, 4N); [/asy]](http://latex.artofproblemsolving.com/7/8/d/78d8f2250fed7b456c1e695a93d86d533b480f93.png)
See Also
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