find the cicumference of a circle a if its radius is 3mm
c= 2 pi r
c= 2 pi 3
3 x 2 = 6
Answer 6 pi mm
No. You need to use the numerical value of pi = 3.14
You need to do 3.14*2*3 mm
butt u don't have to use pi you just put it next to the pi next to number
To find the circumference of a circle with a given radius, you can use the formula:
Circumference = 2 * π * radius
Given that the radius is 3 mm, you can substitute this value into the formula:
Circumference = 2 * π * 3
Multiply the value of pi (approximately 3.14159) with 3:
Circumference = 6 * π
The answer is 6π mm.
Note that if you want a numerical approximation of the answer, you can substitute the value of π as 3.14 or use a calculator to get a more precise result.