Home How To How To Find The Diameter Of A Circle Best Easy Process

How To Find The Diameter Of A Circle Best Easy Process

How To Find The Diameter Of A Circle

Well, in this article we teach you How to Calculate the Diameter of a Circle.
If you know any other dimensions of the circle: radius, circle, or area, it is easy to calculate the diameter of the circle. If you do not know any of the above measurement methods, but there is a pie chart, this is also possible. If you want to know how to calculate the diameter of a circle, follow these easy steps:

Here you will learn about How To Find The Diameter Of A Circle By 2 Method

Method 1 of 2:

1st let’s try to Calculating the Diameter of a Circle Using the Radius, Circumference, or Area

How To Find The Diameter Of A Circle

1. If you know the radius of the circle, double it to get the diameter. Radius is the distance from the center of the circle to the edge.

Example(s):

If the radius of the circle is 4 cm, then the diameter of the circle is 4 cm x 2, or 8 cm.

 

2. If you know the circumference of the circle, divide it by π to get the diameter. Π is 22/7 = 3.14, but you should use a calculator to get the most accurate results.How To Find The Diameter Of A Circle

Example(s):

If the circumference of the circle is 10 cm, then the diameter is 10 cm/π, or 3.18 cm.

 

3. If you know the area of the circle, divide the result by π and find its square root to get the radius; then multiply by 2 to get the diameter. This can go back to find the formula for the area of the circle, A = πr, to get the diameter. You can transform this into r = √(A/π) cm.How To Find The Diameter Of A Circle

Example(s):

If the area of the circle is 25 cm, divide that by π and find the square root.This equals cm 2.82cm, so the diameter of the circle is 2.82 x 2 = 5.64cm.


Method 2 of 2:

Second Method to Calculating the Diameter of a Circle from a Drawing of a Circle

1. Draw a horizontal line from side to side within the circle. Use a ruler or ruler to do this. It can be upstairs, near the bottom or somewhere in between.

How To Find The Diameter Of A Circle

 

2. Label the points where the line crosses the circle points “A” and “B.”

How To Find The Diameter Of A Circle

 

3. Draw two overlapping circles, one centered on A and the other centered on B. Make sure that the two circles overlap like a Venn diagram.

How To Find The Diameter Of A Circle

 

4. Draw a vertical line through the two points where the outer circle intersects. This line marks the diameter of the circle 4.How To Find The Diameter Of A Circle

5. Measure the diameter. Use a ruler or more precisely a pair of digital vernier calipers to measure it. You’re done!How To Find The Diameter Of A Circle

I hope this Helped you to Find The Diameter Of A Circle.


Learn Also:

 Learn ⇒ How To Find Volume Of A Cube Step By Step


Learn ⇒ How To Calculate Standard Deviation In Excel

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