Circle diameter = 6

Circle diameter = 6 MathCelebrity logo Image to Crop

A circle has diameter = 6

Calculate Area, Circumference, Radius, Diameter

Calculate radius (r):

d = 2r

Rearranging the equation, we get:
r  =  d
  2

r  =  6
  2

r = 3

Calculate circumference (C):

C = 2πr

C = 2π * 3

C = or 18.8496

Calculate Area (A):

A = πr2

A = π * 32

A = or 28.2743

Final Answers

r = 3
C = or 18.8496
A = or 28.2743

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What is the Answer?

r = 3
C = or 18.8496
A = or 28.2743

How does the Circles Calculator work?

Free Circles Calculator - Calculates and solves for Radius, Diameter, Circumference, and Area of a Circle.
This calculator has 1 input.

What 3 formulas are used for the Circles Calculator?

What 7 concepts are covered in the Circles Calculator?

areaNumber of square units covering the shapecirclethe set of all points in the plane that are a fixed distance from a fixed pointcirclescircumferencethe perimeter of a circle or ellipsdiameterdistance from two endpoints of a circle through the center
d = 2roriginOn a two digit coordinate plane, the point (0, 0), where the x-axis and y-axis cross.radiusDistance from the center of a circle to the edge
C/2π

Example calculations for the Circles Calculator

Circles Calculator Video


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