Question

how do you find the area of a shade region in a circle

Answer 1

the diameter of the larger circle is 14 and the diameter is 10

Answer 2

diameter of smaller circle is 10 sorry

Answer 3

What part is shaded?

Answer 4

sector area - triangle area

Answer 5

pgpilot326 - I'm trying to figure that out too - I've already made 2 graphics.

Answer 6

http://www.mathsisfun.com/geometry/circle-sector-segment.html

where are the graphics? you need to know the central angle subtended for each circle.

Answer 7

Okay here they are

Answer 8

I'm beginning to think the OP is not about a sector area but a circle within a circle.