There is no way to find the exact area of a circle. The formula for the area is Pi times the radius squared. But Pi is an irrational number -- that is, no matter how many numbers you write it out to, you could always write it further. Since there is no exact value of Pi there can be no exact value of the area based on the diameter. The radius is half that of a diameter. Therefore, if you know the diameter you know the radius. In this case the radius is 3cm and the area of the circle = pi * 32 So the answer is roughly
0.75
d = 2r = 12 mm
The curved surface area is 301.6cm2
an angle in an circle whos vertex is on the circle.
There is no way to find the exact area of a circle. The formula for the area is Pi times the radius squared. But Pi is an irrational number -- that is, no matter how many numbers you write it out to, you could always write it further. Since there is no exact value of Pi there can be no exact value of the area based on the diameter. The radius is half that of a diameter. Therefore, if you know the diameter you know the radius. In this case the radius is 3cm and the area of the circle = pi * 32 So the answer is roughly
What is the diameter of a circle when the circumference is 16 pie
0.75
d = 2r = 12 mm
The curved surface area is 301.6cm2
A cylinder whose height is 3cm and whose diameter is 24cm has a surface area of 1130.97cm2
an angle in an circle whos vertex is on the circle.
using pi
Circumference = 2 * pi * s
Robert Edward McCracken, to be exact, is the lead singer in The Used. :) HE IS ALSO GAAAAAAAAAAAAAY
395.84 units2
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