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d = 2r = 12 mm

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14y ago

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The Diameter of a circle is 1cm 6mm what is this radius of the circle in mm?

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What is the area of a circle with a diameter of 12 mm?

Area of a circle = pi*r2 , where pi = 3.14 and r is the radius of the circle. We have diameter(d) = 12mm so, radius(r) = d/2 = 6mm On putting the values we get Area = 3.14*62 = 3.14*36 = 113mm2


What is the area of a circle with a radius of 6mm?

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If the diameter of a circle is 12mm what is the area?

If the diameter is 12mm then the radius is 6mm. The area of a circle is pi X r2. Therefore pi X 36 mm2 = about 113.0973 mm2 = area of the circle. Don't forget units!! pi is about 3.1416.


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Area = pi*32 = 28.274 square mm to 3 d.p.


What is the area of a circle with the radius of 6mm?

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How many 6 mm diameter circles can you draw in a 20 cm diameter circle?

As one of the contributors noted, I would like to also state that if these are home works that students are asked to do by their teachers (school work) it defeats the purpose of the homework. Instead of solving the problem I will give hints. Staff who monitor and moderate this site, please give contributors some guidelines please. Find the area of the 20cm diameter circle. Divide it by the area of the 6mm diameter circle. If you get a whole number, that is the answer. If not round it down to the nearest whole number.