Circle radius = 10

Circle radius = 10 MathCelebrity logo Image to Crop

A circle has radius = 10

Calculate Area, Circumference, Radius, Diameter

Calculate circumference (C):

C = 2πr

C = 2π * 10

C = 20π or 62.8319

Calculate diameter (d):

d = 2r

d = 2 * 10

d = 20

Calculate Area (A):

A = πr2

A = π * 102

A = 100π or 314.1593

Final Answers

C = 20π or 62.8319
d = 20
A = 100π or 314.1593

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What is the Answer?

C = 20π or 62.8319
d = 20
A = 100π or 314.1593

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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