Question

If the perimeter of a circle is 20 π find its area?
please help Urgent
exam tomorrow important question ​

Answer 1

Given :-

• The circumference of circle is 20π

To find :-

• The area of the circle

solution :-

we know the circumference of the circle is 20π

$\sf \implies \: 2πr = 20r \\ \sf\implies \: r \: = 10 \: cm$

Area of circle = πr^2

$\sf = r (10) {}^{2} \\ = 314.28 \sf cm {}^{3}$

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