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The circumference of a circle is 8pi inches. Find its radius and area.
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Oct 20, 2017
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The circumference of a circle is 8pi inches. Find its radius and area.
Mathematics
high-school
Tornado
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The circumference of the circle is calculated through the equation, C = 2πr. From this, the radius is calculated by,
r = C / 2π
Substituting the known values,
r = 8π /2π = 4
The area of a circle is,
A = πr²
Substituting,
A = π4² = 16π units²
Mareks
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Oct 25, 2017
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Mareks
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