When you multiply 12.8 times pi the exact answer is12.8 Pi, but you can round off the answer to40.192because pi is about equal to 3.14.
pi times radius or diameter equals are of a cirlce
Circumference is 2 times pi times radius, so the circumference of this circle is 2 times pi times 5, or 10 times pi. If a decimal answer is needed, pi is approximately 3.14, so C=31.4
The answer is Pi times radius squared. Although you can't know anymore since you don't give what the radius is. Although, Pi can be simply referred to as 3.14
The area of the base of a cylinder = Pi times Radius squared. Diameter of a cylinder = 2 times Pi times Radius. To find the diameter derive the area of the base by Pi and then square root the answer. That will give you the value of the radius. Multiply that answer by 2 times Pi and you will have your answer.
(pi) R2 x 34 = 81 pi R2
3.385137501 this is true, I did it on my calculator!
circumference of a circle = diameter*pi or 2*pi*radius
(pi)xr2xh÷3 (area of base x height) (pi) times radius squared times height divided by three
Yes because circumference = diameter*pi and the value of pi is just over 3
the same as pi squared, which is 9.86960440109
It looks like this:√x (2)3 · Σ πIt equals:i 8 sum Pi.
Circumference = pi times the diameter, or pi times 2 times radius. Area = pi times (radius squared)
Area=pi times radius squared Circumference=pi times diameter or pi times radius times two
C= 2 times pi and C= pi times diameter C= 2 times pi and C= pi times diameter
circumference=pi circumference=pi circumference=pi
pi^2