Additional Info

Share

Area and Perimeter of a Circle - Geometry Calculator


An online calculator to calculate the area A and perimeter P of a circle given its radius r. The formulas for the perimeter and area of a circle are given by:

P = 2 * Pi * r


A = Pi * r 2

How to use the calculator

Enter the radius as a positive real number and press "enter". The outputs are the area and perimeter of the circle.

Your browser is completely ignoring the <APPLET> tag!

More Online Geometry Calculators and Solvers.


Online Step by Step Calculus Calculators and Solvers New ! Factor Quadratic Expressions - Step by Step Calculator New ! Step by Step Calculator to Find Domain of a Function New !
Free Trigonometry Questions with Answers -- Interactive HTML5 Math Web Apps for Mobile Learning New ! -- Free Online Graph Plotter for All Devices
Home Page -- HTML5 Math Applets for Mobile Learning -- Math Formulas for Mobile Learning -- Algebra Questions -- Math Worksheets -- Free Compass Math tests Practice
Free Practice for SAT, ACT Math tests -- GRE practice -- GMAT practice Precalculus Tutorials -- Precalculus Questions and Problems -- Precalculus Applets -- Equations, Systems and Inequalities -- Online Calculators -- Graphing -- Trigonometry -- Trigonometry Worsheets -- Geometry Tutorials -- Geometry Calculators -- Geometry Worksheets -- Calculus Tutorials -- Calculus Questions -- Calculus Worksheets -- Applied Math -- Antennas -- Math Software -- Elementary Statistics High School Math -- Middle School Math -- Primary Math
Math Videos From Analyzemath
Author - e-mail


Updated: 2 April 2013

Copyright 2003 - 2014 - All rights reserved