Solution Found!
What is the formula for the circumference C of a circle of
Chapter 7, Problem 1(choose chapter or problem)
QUESTION:
What is the formula for the circumference C of a circle of radius r? What is the formula for the area A of a circle of radius r?
Questions & Answers
QUESTION:
What is the formula for the circumference C of a circle of radius r? What is the formula for the area A of a circle of radius r?
ANSWER:Step 1 of 3
Consider a circle of radius .
The central angle of radians subtends an arc whose length is