there is no s in PI
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it stands for sides
it stands for the total surface area
The area of a Reuleaux triangle with constant width s is 0.5*[pi - sqrt(3)]*s2
The formula is S=2B+ph The capital B means the area of the base the p stands for the perimeter of the base and the h stands for the height of the solid
Here are the formulae used in calculations involving a cylinder. For volume: v = (pi)(r^2)(h) For area: s = 2(pi)(r)(h) Indications: v is volume pi is taken to be 22/7 or 3.142 r is radius h is height With the information on measurements you already have, use either formula, insert the necessary figures and you would be able to obtain the height of a cylinder. If you are not looking to solve a mathematical question, h is simply: v/(pi)(r^2) or s/2(pi)(r) Reason: Because the volume or surface area are the product of multiplication of several measurements including that of height, h, to obtain h, the volume or surface area has to be divided by all other measurements.