Difference between revisions of "Sector"
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| − | A '''sector''' of a [[circle]] <math>O</math> is a region bounded by two [[radius | radii]] of the circle, <math>OA</math> and <math>OB</math>, and the [[arc]] <math>AB</math>. | + | <div style="float:right"><asy>size(150); |
| − | + | real angle1=30, angle2=100; | |
| + | pair O=origin, A=dir(angle2), B=dir(angle1); | ||
| + | path sector=O--B--arc(O,1,angle1,angle2)--A--cycle; | ||
| + | fill(sector,gray(0.9)); | ||
| + | D(unitcircle); | ||
| + | D(A--O--B); | ||
| + | MP("O",D(O),SSW); | ||
| + | MP("A",D(A),NNW); | ||
| + | MP("B",D(B),NE);</asy></div> | ||
| + | A '''sector''' of a [[circle]] <math>O</math> is a region bounded by two [[radius|radii]] of the circle, <math>OA</math> and <math>OB</math>, and the [[arc]] <math>AB</math>. | ||
{{stub}} | {{stub}} | ||
| + | [[Category:Definition]] | ||
| + | [[Category:Geometry]] | ||
Revision as of 19:14, 24 April 2008
![[asy]size(150); real angle1=30, angle2=100; pair O=origin, A=dir(angle2), B=dir(angle1); path sector=O--B--arc(O,1,angle1,angle2)--A--cycle; fill(sector,gray(0.9)); D(unitcircle); D(A--O--B); MP("O",D(O),SSW); MP("A",D(A),NNW); MP("B",D(B),NE);[/asy]](http://latex.artofproblemsolving.com/2/3/0/23064891d70dad7feb2403e89826dd40158643f0.png)
A sector of a circle 
is a region bounded by two radii of the circle, 
and 
, and the arc 
.
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