**CONCEPT:** The question applies the Basics in Geometry(from the area of circle)

**SOLUTION:**

Area of a circle=πr^2

and here πr^2=16π

=> r^2=16 => r=4

Circumference/Perimeter of a circle= 2π*r

= 2π∗4=8π

Answer is (B)

Modified on: Tue, 12 Oct, 2021 at 2:00 PM

**CONCEPT:** The question applies the Basics in Geometry(from the area of circle)

**SOLUTION:**

Area of a circle=πr^2

and here πr^2=16π

=> r^2=16 => r=4

Circumference/Perimeter of a circle= 2π*r

= 2π∗4=8π

Answer is (B)

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