## All the Cross-Sections of a Rectangular Prism

The cross-sections of a rectangular prism are the two-dimensional figures that are obtained when we cut a prism with a … Read more

## All the Cross-Sections of a Cone

Cone cross-sections are obtained when we cut a cone with a plane. We can obtain different cross-sections depending on the … Read more

## All the Cross-Sections of a Cube

The cross-sections of a cube are two-dimensional figures obtained by the intersection of a plane with a cube. Depending on … Read more

## All the Cross-Sections of a Cylinder

Cylinder cross-sections are obtained when we cut a cylinder with a plane. Depending on the orientation of the plane, a … Read more

## Converse of the Pythagorean Theorem – Formulas and Examples

The Pythagorean theorem is the most used in trigonometry and allows us to calculate the length of one of the … Read more

## Proofs of the Product Rule of Derivatives

The Product Rule is one of the most helpful tools in Differential Calculus (or Calculus I) to derive two functions … Read more

## Factor Theorem – Examples and Practice Problems

The Factor Theorem is frequently used to factor a polynomial and to find its roots. The polynomial remainder theorem is … Read more

## Vertical Angles Theorem with Examples

Vertical angles are formed at the intersection of two lines. The vertical angles theorem tells us that the vertical angles … Read more

## Height of a Scalene Triangle – Formulas and Examples

The height of a triangle is the perpendicular distance from the base to the opposite vertex. We can calculate the … Read more

## Exponential Decay – Formulas and Examples

We can model real-life situations with exponential functions. One of these situations is population decline. There are “standard” formulas that … Read more