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OpenStudy (sighn0more):
Find the radius and area of a sector of perimeter 36 cm with an angle of 2π/3.
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OpenStudy (sighn0more):
Already I've set up an equation for the perimeter: 2x + y = 36, where x is the radii and y is the arc length
OpenStudy (sighn0more):
The problem is that I don't know how to go from here...I just know that I need to possibly make a system of equations????
OpenStudy (vishweshshrimali5):
Recall the relationship between arc length and angle subtended by the arc..
OpenStudy (sighn0more):
l = theta*r????
OpenStudy (vishweshshrimali5):
Exactly!!
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OpenStudy (vishweshshrimali5):
You know theta, and r... And here, l will be your y... So, there you go.. you have a system of equations
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