Question

The circumference of a circle is 3pi ft.
find its radius in feet

Answer 1

The  radius is   r  = 1.5 feet  of  a circle when circumference of a circle is 3pi ft.

What is meant by a circle's circumference?

• The distance along a circle's perimeter is referred to as its circumference.
• In other words, the circumference of a circle is equal to the length of a straight line formed by opening up the circle.

The circumference of a circle can be found using

circumference=pi × diameter

   3π    = π  ×  d

   3π/π =  d

   3 = d

radius = d/2

  r  =  3/2

  r  = 1.5 feet

Therefore , radius is    r  = 1.5 feet  of  a circle .

Learn more about circumference of a circle

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