A circle with a diameter of 9 feet has a perimeter of 28.3 feet.
The formula for the area of a circle is pi (3.141265...) times the radius squared. Since half of the diameter is the radius, plug that number into the formula to get the total square feet.
If you are talking about around the circle (Circumference) then the are about 3.14 diameters and 6.28 radii While if you are talking about just across, the 1 diameter and 2 radii. Hope this Helps ;) Please recommend me :)
Sure. Any chord that passes through the center of the circle is also a diameter. Chords can have many different lengths, but a diameter is the longest chord.
A 48-inch diameter circle has an area of: 12.57 square feet.
A circle's circumference is the product of Pi and its diameter, so a diameter can go around a circumference approximately 3.14 times.
It's how many times the diameter wraps around the edge of the circle.
The circumference of a circle is 3.14159… times, or pi times bigger than its diameter.
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Given a diameter d, the circumference of a circle is Pi*d. Thus the circumference is Pi times larger than the diameter.
Infinity because the circumference of the circle is the same as the circumference of the sphere.
Well, the equation for finding the circumfrence of a circle is (diameter)(pi). That is diameter times pi. since the diameter of a circle is 2 radii, we can say that there is 2(pi) radii in a circle.
Area of circle: pi times radius squared
157 is the answer
The diameter of a circle can be divided into the circumference of a circle pi times. The number pi is about 3.14 in decimal form. Because pi is an irrational number, it cannot be written as a fraction of integers or as a terminal or repeating decimal. The circumference of a circle is said to be pi times the diameter, so by dividing the diameter into the circumference, we would get pi as a quotient.
It is larger than the diameter by a factor of Pi (about 3.1416).
if you double the radius (or diameter) , you get four times the area. area of a circle = pi * radius squared