Circle area = 10 MathCelebrity logo Image to Crop

A circle has area = 10

Calculate Area, Circumference, Radius, Diameter

Calculate radius (r):

A = πr2

Rearranging the equation, we get:
r2  =  A
  π

r  =  A
  π

r  =  10
  3.1415926535898

r  =  3.1622776601684
  1.7724538509055

r = 1.7841241161528

Calculate circumference (C):

C = 2πr

C = 2π * 1.7841241161528

C = 3.5682π or 11.21

Calculate diameter (d):

d = 2r

d = 2 * 1.7841241161528

d = 3.5682482323055

Final Answers

r = 1.7841241161528
C = 3.5682π or 11.21
d = 3.5682482323055

You have 1 free calculations remaining


What is the Answer?

r = 1.7841241161528
C = 3.5682π or 11.21
d = 3.5682482323055

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

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