SOLUTION: There is a sector of a circle with area 8.9, radius r and angle x in radians. Express r as a function of x. I know the formula for the area of a sector in radians is A=(1/2)r^2(

Question 958489: There is a sector of a circle with area 8.9, radius r and angle x in radians. Express r as a function of x.
I know the formula for the area of a sector in radians is A=(1/2)r^2(x)
so it would be 8.9=(1/2)r^2(x), but I'm having trouble getting r by itself.
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
Multiply each side by 2.
Divide each side by (x).
Find the square root of each side.

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