area if a circle is 516cm square .find its circumference
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Hey there!
Area of circle =πr²
=> πr² = 516 cm²
=> r² = 3612/22 = 1806/11 = 164.1819
=> r = 12.81 cm
Circumference = 2πr = 2(3.14)(12.81) = 80.5248cm .
Hope helped!
Area of circle =πr²
=> πr² = 516 cm²
=> r² = 3612/22 = 1806/11 = 164.1819
=> r = 12.81 cm
Circumference = 2πr = 2(3.14)(12.81) = 80.5248cm .
Hope helped!
sonu828:
thanks
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