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Welp
 one year ago
Is this correct?
"the area of sector AOC is 20.25pi ft^. Find the area of the shaded part of the segment.
Welp
 one year ago
Is this correct? "the area of sector AOC is 20.25pi ft^. Find the area of the shaded part of the segment.

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Welp
 one year ago
Best ResponseYou've already chosen the best response.0dw:1438569953793:dw Area of Segment = ½ × (θ  sin θ) × r2 1/2 * (90sin(90)*9^2=4.5 20.25  4.5=15.75

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1You mentioned point C when you said AOC but I don't see a point C on the drawing

Welp
 one year ago
Best ResponseYou've already chosen the best response.0I meant to put C instead of B in the drawing

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1Ok so what you need to do is find the area of the triangle, then subtract that from the area of the sector Shaded region = (area of sector)  (area of triangle)

Welp
 one year ago
Best ResponseYou've already chosen the best response.0How do I find the triangle? I've only been given one side and no angles.

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1the two legs of the right triangle are congruent because all radii of the same circle are congruent dw:1438570809227:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1btw your formula would work only if theta is in radians as explained here http://mathworld.wolfram.com/CircularSegment.html
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