how can we measure the diameter of the ball
Answers
Answer:
Divide the circumference by pi, or 3.14, to get the diameter. For example, if your ball has a circumference of 172 centimeters, its diameter is 172 / 3.14 = 55cm. Your exercise ball may stretch up to 24 hours after you inflate it.
In order to calculate the diameter of a ball use a tape measure to measure the circumference of your ball. To measure the circumference of your ball wrap your tape measure around your ball once.
Once you’ve written down the number of your ball’s circumference divide the number which you have by pi. If it’s been a few years since you’ve graduated from school, pi = 3.14. Once you’ve divided your circumference by 3.14, you’ll successfully have calculated the diameter of your ball.
As an example, if you measure a yoga ball and its circumference measures 67.71 inches, the diameter of the yoga ball which you’re measuring will be 21.65 inches.
How to measure the diameter of a circle:
If you’re not looking to measure the diameter of a three dimensional ball and are looking to calculate the diameter of a two dimensional circle, you’ll need to use an alternate formulaic equation to find the number that you’re looking for.
To accurately find out the diameter of a circle, first figure out the radius of your circle. The radius of a circle is the distance between the center point of your circle and the outside of your circle. Once you’ve found the radius of your circle, multiply the number which you have by 2 and then multiple the number which you get with pi which is 3.14.
If you’re curious as to why it’s a better idea to calculate the diameter of a circle by first finding the radius of your circle, instead of your circle’s circumference, the answer is that you should find it a lot easier to accurate measure your circle’s radius with a ruler than to try and measure the circumference of your circle.
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