the area of a circle is 9 pie square meters. What is the radius of the circle? What is the circumference of the circle?
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area of circle = pie* (radius)^2
area of circle given as 9 pie,so
9 pie = pie* (radius)^2
9 = (radius)^2
radius = 3
circumference = 2* pie*radius
= 6 pie
= 6 π
radius of circle = 3
circumference of circle = 6 π = 6 pie
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