0
If you know the radius
Given the radius of a circle, the diameter can be calculated using the formula:
The Diameter is Twice the Radius, or D = 2R
Where R is the Radius.
If you know the circumference
If you know the circumference of a circle, the diameter is found using the formula D= C/π
where:
C is the circumference of the circle
π is Pi, approximately 3.142
Still curious? Ask our experts.
Chat with our AI personalities
EzraFaith is not about having all the answers, but learning to ask the right questions.
Chat with Ezra
CoachSuccess isn't just about winning—it's about vision, patience, and playing the long game.
Chat with Coach
ProfessorI will give you the most educated answer.
Chat with ProfessorAdd your answer:
Earn +20 ptsQ: Diameter of a circle
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
A chord of a circle that contains the center of a circle-?
The cord of a circle that contains the center of that circle is a diameter of that circle.
How do you diameter of a circle?
You do a diameter circle!!
What is a circle with a diameter of 28?
A circle with a diameter of 28 is a circle.
If the radius of a circle is r what is the diameter of the circle?
The radius of a circle is half the diameter so if the radius of a circle is r, then the diameter is 2r.
How do the the radius and diameter of a circle compare?
The diameter of a circle is twice its radius
Trending Questions
Is it theoretical or experimental probability if I flipped a coin eight times and got heads six times?
What type of gear is a combinations?
What is the properties under multiplication?
How is 33 a multiple of 3003?
Can i combine my two previous failed matric results to 1?
Is 2004 divisible by 3?
What is 3.62 as a percent?
What shape has 6 sides and 6 vertices?
How are patterns equations and graphics related?
What is the negative root of 196?
What is so special about the number 854917632?
How do you calculate average speed with speed-time graph?
What are the differences between the Good News Bible the New American Standard Bible and the New Jerusalem Bible?
How much dirt is needed to fill a hole 24' by 2' by 10 inches?
Which decimal is equivalent to the fraction 3-300?
How long is the shadow if a nearby 10-foot tall basketball hoop casts a 7-foot shadow?
What are properties of a decimal numeral?
How the circumference of a circle and perimeter of a polygon are alike?
How many tenth laps equal a mile?
What is 128 divided by 4.87 with work?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.