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What is the exact area of a circle whose diameter is 24 cm
The area formula of a circle is π×[tex] r^{2} [/tex] pi is 3.14 and r is the radius. The question gives you the diameter. To find the radius with a given diameter, divide the diameter by 2. 24÷2=12. The radius is 12. Now we can multiply 3.14×[tex] 12^{2} [/tex] do the exponents first. 12×12=144. Now multiply that by pi. 144×3.14=452.16
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