Register
If a circle has a diameter of 21 inches, what is the circumference? (Use 22/7 for π.)
116k views
23 votes
If a circle has a diameter of 21 inches, what is the circumference? (Use 22/7 for π.)

User Srikanth Malyala
by
4.4k points

1 Answer

14 votes

Answer: 66 is the circumference

Step-by-step explanation: Formula of circumference: 2 times pi times R

R is radius and Diameter is 2 times of R. Formula of circumference can also be: pi times R. 22/7 times 21 is 66.

User Luke C
by
5.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.8m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!