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First of all it is NOT 'pie', that is the meat pie or apple pie that you eat. The circular 'pi' is 'pi' (small/lower case) . 'pi' is the Classical Greek letter for lower case 'p', and means 'constant of **P**roportion'.
To find the circumference of a circle the equation is
C = pi d
Circumference equals 'pi' X the diameter.
or
C = 2 pi r
Circumference equals 'pi' X '2' X the radius.
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How do you find circumference if you know diameter?
If you know the diameter and need the circumference you times the diameter of the circle by 3.14 also known as pie. That is how you get the circumference by only knowing the diameter. :)
What is the diameter of 27cm for area of circumference?
Oh honey, let me break it down for you. The diameter of a circle with a circumference of 27cm is about 8.59cm. You just take the circumference and divide it by π (that's pi for you math newbies). So there you have it, simple as pie... or should I say, simple as pi!
What is relation between pie and circle?
It is pi, a letter in the Greek alphabet, and pronounced like pie. This infinite value, usually expressed as 3.14 or sometimes more accurately as 3.1416 is the ratio of the diameter (distance across) a circle, and the circumference (distance around) a circle. The diameter times pi equals the circumference, and the circumference divided by pi gives the diameter. Also, the radius (half the diameter) times itself and then multiplied by pi gives the area inside a circle. The value of pi is the same regardless of the size of a circle.
How do you find the circumference of a circle from the radius?
Square the radius and multiply the result by 3.14. You may want additional digits of pi for greater precision, but that's the basic idea.The formula is πr² (that's "pi r squared," if the character doesn't show up properly).ANSWER:The above answer is wrong! The above gives the area of a circle, not the circumference. Besides pie are round, cornbread are square. Pi = 3.1416 as stated above.The circumference of a circle is 2 times the radius times pi .This is because pi for all circles is the circumference divided by the diameter. So, pi times the diameter equals the circumference. The diameter is twice the radius.
How do you find the value of pie?
the value of pie is ALWAYS 3.14 The deliciousness of pie gives it it's value. In mathematical terms, pi is the ratio of the circumference to the diameter of a circle.
