# Category: Geometry

## The area of the ball

A sphere is a three-dimensional object whose contours and flat sections are circles. In other words, all points on the sphere are at the same…

## Volume of the ball segment

To find the volume of a spherical segment, it is enough to remember one simple formula that includes two unknown parameters (if we count together…

## The volume of the ball sector

To find the volume of the spherical sector, it is enough to remember one simple formula that includes two unknown parameters (if we count together…

## Volume of the ball layer

To find the volume of the spherical layer, it is enough to remember one simple formula that includes three unknown parameters (if we count together…

## Volume of the truncated cone

To find the volume of a truncated cone (conical layer), it is enough to remember one simple formula that includes three unknown parameters (if we…

## The volume of the truncated pyramid

To find the volume of a truncated pyramid, it is enough to remember one simple formula that includes three unknown parameters. But first, let’s remember…

## Octahedron volume

To find the volume of an octahedron, it is enough to remember one simple formula in which there is only one unknown quantity. But first,…

## The volume of the tetrahedron

In order to find the volume of a tetrahedron, there are two simple formulas with different numbers of unknown quantities in them. But first, let’s…

## Prism volume

To find the volume of the prism, it is enough to remember one simple formula, in which there are only two unknown quantities.But first, let’s…

## The volume of the parallelepiped

For the first time, a person encounters calculating the volume of a parallelepiped at school. To begin with, let’s also remember what describes each word…