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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 does diameter of a circle equal if the radius is eight inches?
16 inches
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 diameter of a circle if the radius is 4?
Eight.
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.
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).
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
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
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
