"
The distance across a circle through the center is called the diameter"
"The diameter of a circle is twice as long as the radius"
CircumferenceThe circumference of a circle is found using this formula:
[tex]C= \pi * d \ \ \ \ \ \ \ \ \ \ or \ \ \ \ \ \ \ \ \ \ C=2\pi *r[/tex]
Area
The area of a circle is found using this formula:
[tex]A= \pi * r^{2} [/tex]
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Diameter = 12m
radius = 6m
Circumference
[tex]C=\pi*d \\C=\pi*12 \\C=12\pi \\C=37.699 \\C=37.70[/tex]
Area
[tex]A=\pi*r^2 \\A=\pi*(6)^2 \\A=\pi*36 \\A=36\pi \\A=113.097 \\A=113.10[/tex]