A circus tent is cylindrical to a height of $3$ meters and conical above it. > A circus tent is cylindrical to a height of $3$ m and conical above it. If it's diameter is $105$ m and slant height of the conical portion is $53$ m, calculate the length of the canvas $5$ m wide to make the required tent. What I've tried is in the picture: !enter image description here

The tent consists of two shapes, a cylinder and a cone. You need the lateral surface area (excluding the circles) of both. Look up the formulas and simply plug in the given numbers. Then divide the sum by 5.