How does the area of the lateral surface of the cylinder relate to the area of its axial section?

univerkov | March 2, 2021 | education

1) The lateral surface of the cylinder is a rectangle, one of the sides of which is the height of the cylinder, the other is the circumference of the base of the cylinder. Lateral surface area: Sside = 2πrh.
2) The axial section is a rectangle, one of the sides is the height of the cylinder, the other side is the diameter of the base. Ssection = 2rh.
3) The ratio of the area of the lateral surface of the cylinder to the area of its axial section: Sside / Ssection = 2πrh / 2rh = π.

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