Algebra Word Problem Solver
Solves Basic Math, PreAlgebra, and Algebra Word Problems Step-by-Step
Home
Welcome!
Personal Algebra Tutor
Features
Comparison
Testimonials
Examples
Buy PAT
Download
Buy Download
Contact Us
Support and Service
Privacy Policy
System Requirements
Mail Order Form
Tutoring Services
Find the Circumference of a Circle Given its Area.
What You Enter
Determine the circumference of a circle whose radius is 4.
What You Get
Find CIRCUMFERENCE
Let C=CIRCUMFERENCE
Let R=RADIUS
Given R=4
Formula C=2π R
C=2π R // Circumference Formula
C=2*4π // Substitute 4 for Radius
C=8π