This gives the formula, surface area = 2π𝒓² + 2π𝒓𝒉. Image caption, Work out the surface area of the cylinder. Use π = 3۰142 or the π button on a calculator.

The line formed when two faces meet. of the square is the edge of the cube and is the length, ... The formula for the surface area of a cuboid with the dimensions 𝒍 × 𝒘 × 𝒉 can be given as: ...