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What else can I help you with?
Is the diameter of a circle bigger or smaller then the radius?
The diameter is twice as long as the radius. d = 2r The diameter is basically a line through the center of a circle while a radius is from the center to the circumference of a circle.
What is the circumference of a circle?
The circumference is the distance around the circle, its "perimeter."The circumference of a circle is equal to π times the diameter of the circle (C = πd), or π times twice the radius of the circle (C = 2πr).The circumference is the distance around itIf you know the diameter (width) of the circle, you can use the formulaCircumference= Diameter x pi (approx 3.1416)Example : if a circle has a diameter of 5 cm then the circumference is 5 x π =5π (about 15.7 cm)The actual formula relates to the radius of the circle, which is half the diameter.Radius Formula : C = 2πr (2 pi times the radius)As long you remember the formula you should be fine....Circumference = 2 * pi * rOr pi * dwhere r = radius & d = diameter of the circle.Also pi (=3.143) can be roughly put down as 22/7 if you more comfy with fractions than the decimals.the equation is 2*pi*rr being the radius
What iS the radius of a circle with circumference?
A circle is a shape with all points the same distance from the center. It is named by the center. The circle to the left is called circle A since the center is at point A. If you measure the distance around a circle and divide it by the distance across the circle through the center, you will always come close to a particular value, depending upon the accuracy of your measurement. This value is approximately 3.14159265358979323846... We use the Greek letter (pronounced Pi) to represent this value. The number goes on forever. However, using computers, has been calculated to over 1 trillion digits past the decimal point.The distance around a circle is called the circumference. The distance across a circle through the center is called the diameter. is the ratio of the circumference of a circle to the diameter. Thus, for any circle, if you divide the circumference by the diameter, you get a value close to . This relationship is expressed in the following formula:where is circumference and is diameter. You can test this formula at home with a round dinner plate. If you measure the circumference and the diameter of the plate and then divide by , your quotient should come close to . Another way to write this formula is: where · means multiply. This second formula is commonly used in problems where the diameter is given and the circumference is not known (see the examples below).The radius of a circle is the distance from the center of a circle to any point on the circle. If you place two radii end-to-end in a circle, you would have the same length as one diameter. Thus, the diameter of a circle is twice as long as the radius. This relationship is expressed in the following formula: , where is the diameter and is the radius.
How long is the radius of a 5 square mile circle?
The radius is 1.261 miles.
What happens to the area of a circle if the circumference is doubled?
If the circumference of a circle is doubled, the area will be four times bigger. It's like having a square with one metre sides. If we double the length of sides, that is - two metre long sides. the length around will be eight instead if four metres. The area will not be doubled from one square metre to two square meters. It will be four square metres instead. Lengths only grow in one direction so doubling is doubling, but areas grow in two directions - length and width at the same time. Therefore, areas grow and grow, doubling this way and doubling that way, so the doubling is doubled making it four times. Trebling would be trebled making a three times length increase into a nine times area increase.
If the circumference of circle is 24 centimeters about how long is the radius?
The radius is 3.82 cm
If a circle has a deameter of 6 inches about how long is its circumference?
Diameter = 6 inches Radius = 3 inches Circumference = 2 x pi x radius = 18.84955592 inches
How do you find a circumference?
Circumference of a circle is pi * diameter. Diameter is 2 * radius. So if you know the radius, circumference is 2 * pi * radius. Now choose an appropriate approximation for pi (3.14, or 3.1416, or even the fraction 22/7), depending on your application. This will work for ANY circle, no matter how big or small it is, as long as it's a true circle and not a different elliptical shape, e.g. an oval.
What is the circumference of a circle?
The circumference is the distance around the circle, its "perimeter."The circumference of a circle is equal to π times the diameter of the circle (C = πd), or π times twice the radius of the circle (C = 2πr).The circumference is the distance around itIf you know the diameter (width) of the circle, you can use the formulaCircumference= Diameter x pi (approx 3.1416)Example : if a circle has a diameter of 5 cm then the circumference is 5 x π =5π (about 15.7 cm)The actual formula relates to the radius of the circle, which is half the diameter.Radius Formula : C = 2πr (2 pi times the radius)As long you remember the formula you should be fine....Circumference = 2 * pi * rOr pi * dwhere r = radius & d = diameter of the circle.Also pi (=3.143) can be roughly put down as 22/7 if you more comfy with fractions than the decimals.the equation is 2*pi*rr being the radius
A pizza has a circumference of 47.1in what is the radius?
To find the radius of a pizza with a circumference of 47.1 inches, you can use the formula for the circumference of a circle: C = 2πr, where C is the circumference and r is the radius. Rearranging the formula to solve for the radius, you get r = C / 2π. Plugging in the given circumference of 47.1 inches, you get r = 47.1 / (2 x 3.14159) ≈ 7.5 inches. Therefore, the radius of the pizza is approximately 7.5 inches.
If a circle has a radius of 8 cm long how long is the circle's diameter?
16cm
If the diameter of a circle is 12 inches how long is the radius?
Diameter of a circle is defined as twice the radius. So if diameter is 12, the radius is 6.
How long is a circle if the radius is 36?
72
Sentence for circumference?
The hole circumference was 12in. long >.<
If Earth's radius was 3960 miles how long would the length of the Equator be?
The length of the equator would be approximately 24881.4 miles. Using the circumference formula 2(pi)(r) where pi is 3.141592654... and r is the radius (3960 in this case) you can find the length of the circle, the equator. 7920 in reality, is the diameter which is distance of a single straight line that starts and ends on the circle and passes through the center of the circle.
How do you find the area if you have the circumference?
Divide the circumference by pi, divide the result by 4, and finally, multiply the result by the original circumference. Ex. The circumference of a circle is 43.96 units long. What is the area of the circle? (use 3.14 as pi). Solution: First, divide 43.96 by pi, which is 3.14 in this question. The result should be 14. Next, divide 14 by 4,getting 3.5. Finally, multiply 3.5 by the original circumference, which was 43.96, and the final result should be 153.86. The answer to the example is 153.86 square units.
What is the angle subtended by an arc of a circle equal in length to the radius of that circle?
The answer does not match. It is called a Radianthat is used in Trigonometry, a special branch of mathematics which deals with study of triangles. "Tri" means three and "gono" means angle and "metry" means measure) . If there is an angle at the center of circle subtended by the arc whose length is equal to the radius, then the angle at the center is called 1 Radian.Extending the math out in order to determine the number of degrees in one radian, this is what we have. C = 2(pi)r; the length of the circumference is 2(pi) times the radius. This means that the number of radii in the circumference is 2(pi); there are 2(pi) radii in the circumference. There are 360 degrees in a circle, so the number of degrees in an angle subtended by an arc one radius long would be 360/2(pi), or about 57.3 degrees.
