Cylinder volume formula Radius, area, height, volume of cylinder 12\x05\x056\x05 35\x05\x0518\x05 65\x05\x0523\x05 66\x05\x0524\x05 What is the formula for area and volume, How to calculate the area? For example, how to calculate the data in the first column, the composition and the answer are required

R radius, H height
Side area of cylinder = perimeter of bottom surface x height s side = ch = 2 π RH
The bottom area of the cylinder is π R × R
Surface area of cylinder = side area + bottom area x2 s = 2 π R * sup2 + CH
The surface area of the cylinder is 2 π R (R + H) = C ⊙ × (R + H), which is derived from the above formula
Volume of cylinder = area of bottom x height v = (π × R × R) H
　　V=Sh
For example: radius 12, height 6
Then the surface area of the cylinder is 2 π RH + 2 π R * sup2 = 2 π R (R + H) = 2 * 3.14 * 12 * (12 + 6) = 1356.48
Volume of cylinder = (π × R × R) H = (3.14 * 12 * 12) * 6 = 97666.56

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