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What is circumference of a circle in terms of pi?
The circumference of a circle is 2 pi r, where r is the radius, or it is pi d, where d is the diameter.there is no circuference of pi. Circumference refers to the outer edges of circles
How do you calculate circumference and area of pi?
Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius
What is the relationship between a circles circumference and it's radius?
C=2(pi)r
How do you find the diameter from the circumference?
Diameter = Circumference/pi
Find the diameter of a circle if the circumference is 24.5?
Circumference = diameter(pi) so divide the circumference by pi to get the diameter.
How is pi used to find the circumference of circles?
Circumference of any circle = 2*pi*radius or pi*diameter
How do you find the circumference of circles?
The circumference of a circle = pi*diametre = 2pi*radius
How do you calculate circumference?
to calculate circumference you find a circles radius or diameter. you do diameter times pi or radius times 2 times pi. the you have circumference!
What is the answer to circles and circumference?
circumference = 2*pi*radius or pi*diameter
How do you find the pi circumference and area of circles?
Area=pi times radius squared Circumference=pi times diameter or pi times radius times two
Why is Pi used to calculate circumference and area of circles?
pi is an irrational number at 3.141592.... ( recur to infinity and decimals in no regular order. Let me tell you a story!!!! It was found by the 'Ancient Civilisations' that when a donkey is used to drive up water from well, it was tethered to a rope/halter, the radius. It walked round the well head tied to the halter. in a big circle, the circumference. It was found by the ancients, that twice the radius, the diamter, has a direct proportion to the circumference. It didn't how big/small the circumference was, compared to the radius/diameter the proportion always remained the same at 3.141592.... (pi). So the ancints constructed an equation. C is directly proportional to diameter ,d, This proportion is always constant hence a 'k' for constancy is inserted. C = kd or k = C/d This constant 'k' was given the name 'pi', which is the lower case Classical Greek letter 'p'. and stands for proportion. So ther you have it!!!!!
Why does the Greek letter Pi signify the ratio of a circles circumference?
The Greek word for perimeter begins with the letter pi, and since circumference and perimeter are the same the letter Pi was used.
How can pi be used?
Pi (3.141...) is used for circles, and circles only. You use it to find the area and circumfrence.
How do you find a circles radius when they only tell you the circumference of the circle?
Divide by pi and then divide by 2
What meaning of PI TERMS OF PAY?
Pi is the number you get after finding the ratio of a circle's radius to its circumference. It's used in formulas to find the circumference and area of circles. The number goes on infinitely, but most people abbreviate the decimal to 3.14.
How do you find circumference of concentric circles?
You need to know diameter of each circle, which are different for each circle; each circle circumference is pi x diameter where pi = 3.14159
What formula is used to find the diameter when you know the circumference?
Pi X D = Circumference. To find Diamater if you know Circumference, divide Circumference by Pi (3.14).
