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Q: What does diameter of a circle equal if the radius is eight inches?
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Related questions

What is the radius of the circle with the diameter of eight inches?

4 inches


What is the radius of a circle with a diameter of eight inches?

4 inches The radius of a circle is always half of its diameter (so 8in/2 = 4 in).


What would be the radius of a circle with a diameter of 8 inches?

Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.


What is the area of a circle that has a diameter of eight inches?

The area of a circle is the number pi (3.14159...) times the square of the radius. The radius is half the diameter. So if the diameter is 8 inches, the radius is 4 inches. Squaring that gives us 4 x 4, or 16 square inches. Multiplying 16 by pi equals an area slightly larger than 50.26 square inches.


What is the diameter of a circle if the radius is 4?

Eight.


If the area of a circle is about twenty-eight square inches what is the diameter?

If the area of a circle is about 28 square inches the diameter is: about six inches (5.971).


What is the circumference of a circle with a diameter of eight feet?

The circumference is pi times twice the radius, and the diameter is twice the radius, so the circumference is pi times the diameter: 25.13278 feet.


How can you find the diameter of a circle with an approximate circumference of thirty-eight inches?

Divide the circumference (38") by Pi (about 3.1416) to get the diameter in inches.


How long is the radius of the circle if the diameter is twenty eight yards?

do 80 times 28 and u will get your answer


How many square inches in a eight inch circle?

area of a circle = pi times radius squared = 3.1415... x (half of diameter of 8 inches)2 = 3.1415... x 42 = 3.1415... x 16 = 50.26548... square inches


Area of a fifty eight inch circle?

The area is 2,640 square inches for a 58-inch diameter circle.


What is the radius of eight and one half mm?

the radius is half of a diameter


What is the surface area of a cylinder that a diameter of eight inches and a height of five inches?

A cylinder with a diameter of eight inches and a height of five inches has a surface area of 226.2 square inches.


What is the circumference of a circle with radius of 18?

The circumference C of a circle with radius R is C = 2*pi*R pi = 3.1416... R = 18 Using a calculator: C = 113 inches This is the length of track of an HO model train laid out with eight curved sections to form a circle of radius 18 inches, such as around a christmas tree.


If circle circumference is 8 what is diameter?

If you divide eight by pi, you get 2.54647909 as the diameter. If you divide eight by 3.14 (simplified pi), you get 2.54777070 as the diameter.


What is the circumference of a circle with a diameter of eight meters?

25.13 meters


How many cubic feet in a circle with a ten foot diameter and eight inches high?

That's actually a cylinder.8 inches = 2/3 footThe volume of a cylinder is (pi) (radius)2 (height) = (pi) (5)2 (2/3) = 52.36 cubic feet (rounded)


How can you find the diameter of a eight inch circumference?

circumference=2(pi)r so divide the given circumference on 2pi, it will give radius. Now multiply radius by 2 you will get the diameter.


How do you divide a circle into eight parts using only three lines?

Draw two diameter lines, then draw a circle inside the circle.


How many cubit feet in a circle with a eight foot diameter and three inches high?

If you mean a cylinder then it is: pi*4*4*0.25 = 12.566 cubic feet to 3 decimal places


What is the area of a circle whose diameter is twenty-eight meters?

615.752 m2


What is the circumference of of a circle whose radius is 21 feet?

65.97344573 to eight decimal places.


What is the volumn of liquid in a pipe 5000 feet long with a diameter of eight inches?

The liquid volume is 30,14400. Pi multiplied by radius square multiplied by length should give the answer to all cylinder volume related questions.


What is the surface area of this cylinder the has a radius of eight inches and a height of fifteen inches?

This cylinder has a total surface area of ≈ 1,156.11 square inches.


If a circle has the diameter of eight what is the circumference?

8 pi; taking pi as 3.14 then answer is 25.12