If the diameter of a circle is 20mm, what is the area of the circle?
1 answer:
Answer:
314.16 sq mm
Step-by-step explanation:
formula for area of a circle = pi(r^2)
if the diameter is 20mm then the radius is 10 mm
When you plug in pi(10mm^2) you get 314.16 sq mm
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Step-by-step explanation:
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Step-by-step explanation:
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