The area of a circular plate is 385 m². Find its circumference.​

2 thoughts on “The area of a circular plate is 385 m². Find its circumference.​”

1. Answer:

   [tex]r = 11.07m[/tex]

   Step-by-step explanation:

   Area of Circle = [tex]\pi {r}^{2} [/tex]

   So, [tex]\pi {r}^{2} = 385 {m}^{2} [/tex]

   We know that , [tex]\pi = \frac{22}{7} [/tex]

   So, [tex] {r}^{2} = \frac{7}{22} \times 385[/tex]

   Therefore, [tex]r = 11.07m[/tex]

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