﻿ Cylinder - circular flat: - online výpočet - FORMIAX ﻿

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# Cylinder (circular flat) - area and volume

A = 2πrv + 2πr2

V = πr2v

A = Area

V = volume

r = radius = 1/2 d

d = diameter

h = height

## WHAT IS IT ?

A cylinder (circular flat) is a three-dimensional geometric shape with two parallel circular bases connected by a curved surface. The properties of a cylinder include:

- Bases: Two parallel and congruent circles.
- Height (h): The perpendicular distance between the two bases.
- Radius (r): The distance from the center to the edge of the circular bases.

The surface area of a cylinder is composed of the area of the two bases and the lateral surface area, which is the area of the curved surface connecting the bases. The volume of a cylinder is the amount of space it encloses. Cylinders are commonly used in various applications in mathematics, engineering, architecture, and everyday objects such as cans, pipes, and tanks.

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## CALCULATION:

Enter unit e.g.: inch

Enter perimeter

Enter height

Enter the number of decimal places

## EXAMPLE:

The radius of the circular cylinder is, for example, 4 cm, and the height is 10 cm.

Thus,

r = 4,

h = 10

Surface area of the circular cylinder:

We use the formula

A = 2πrh

thus

A = 2 * 3.14 * 4 * 10

A = 251.2 cm²

Volume of the circular cylinder:

We use the formula

V = πr²h

thus

V = 3.14 * 4 * 4 * 10

V = 502.4 cm³

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