SOLUTION: ok I can't figure out this problem please help! The area of a 60 degree circle is 36 pi cm squared. What is the diameter of the circle? please help! thanks

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Question 53996This question is from textbook Algebra 2
: ok I can't figure out this problem please help!
The area of a 60 degree circle is 36 pi cm squared. What is the diameter of the circle?
please help! thanks This question is from textbook Algebra 2

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a 60 degree circle is 36 pi cm squared. What is the diameter of the circle?
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Area of a circle = pi(r^2)
pi(r^2)=36 pi
Divide both sides by pi to get:
r^2=36
r=6
If r=6 the diameter = 2r = 12 cm
Cheers,
Stan H.