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Ross
Vivipi+pi is 6.28. all that you have to do is add up the numbers.
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Surface area of cone?
(pi times radius squared) plus (pi times radius times slant).
What is the surface area of a right cone?
Entire surface area of a cone: pi*radius^2 plus pi*radius*slant length
The formula to find the lateral surface area of a cylinder?
[2 pi times (the radius squared)] plus [(2 pi times the radius) times the height] the parentheses are according to the order of operations
What is the volume of a cylinder 5 inches high with a 1 inch radius?
the volume of a cylinder is (pi)r squared times the height, same as a circle but plus the height so the answer here would be ((pi) x 1) squared x 5. or 5 pi squared
How do you find the diameter of a circle if they give you the area?
Area = pi * (radius^2) Where (radius^2) is radius squared, or radius to the second power. do some algebraic steps: Area / pi = radius^2 radius^2 = Area / pi square root (radius^2) = square root (Area / pi) radius = (plus or minus) square root (Area / pi) If you are not working with imaginary numbers then radius = square root (Area / pi)
