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Mathematics 20 Online
OpenStudy (anonymous):

What is a region bounded by an arc of a circle and two radii

ganeshie8 (ganeshie8):

It is called `sector` : |dw:1445305127612:dw|

OpenStudy (anonymous):

Thank you

ganeshie8 (ganeshie8):

yw! as you can see, we can specify the size of a sector by its angle. for example, a 180 degrees sector forms an half circle : |dw:1445305405362:dw|

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