Is area of a circle propotional to square of its radius? What is the constant of propotionality
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The area of a circle is directly proportional to the square of its radius. The volume of a sphere is directly proportional to the cube of its radius
Step-by-step explanation:
The factor '2 pi' is simply the constant of proportionality between C and R. So the area of a circle is proportional to R2 and pi is the constant of proportionality between the area and the radius of a circle
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