Mathematics, 27.09.2019 20:00 KillerSteamcar
The circumference of a circle is directly proportional to the length of its radius, while the area it encloses is directly proportional to the square of the length of its radius. if the area of a circle is multiplied by 49, then its circumference is multiplied by
Answers: 1
, where,
, where A represents area of circle and r represents radius.
is constant of proportionality in both formulas.
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