Five Methods to Prove Triangles are Congruent

This video gives an overview of five methods one can use in order to prove that triangles are congruent.

The five methods covered are as follows:

SSS Side Side Side
SAS Side Angle Side
AAS Angle Angle Side
ASA Angle Side Angle
HL Hypotenuse Leg

Absolute Value Inequalities

Follow these easy steps in order to solve absolute value inequalities.
The video covers the four steps which are,

Set up two cases
Rewrite without the absolute valur bar
Solve the inequality
Place on a number line

Prime Factorization

Video of the Day

Prime Factorization

Prime factorization is when you take any number and determine which prime numbers when multiplied together equal this number.

In this video you will learn…..

A definition of prime factorization

How to set up a factor tree

A easy method of prime factorization

Watch an example problem of prime factorization with step by step directions

Definition of a composite and prime numbers

For more information,a prime factorization calculator, and a prime number chart see

Prime Factorization

Area of a Rhombus

Area of a Rhombus

Video of the day

Today we are going to look at finding the area of a Rhombus

In this video you will ……..

Learn two methods for finding the area of a Rhombus

Watch two sample problems.

Learn the difference between altitude and height.

Learn why you can’t square the sides for the area but need to use the altitude.

How to find the area of a rhombus when the altitude is unknown

How to calculate the area by using the diagonals of a rhombus.

For more information please see Area of a Rhombus  or Area Formulas Plane Shapes

Prime Factorization

Featured Video of the Day

Prime Factorization

Prime factorization is the process of finding which prime numbers when multiplied together equal the original number. In this video you will learn…

A simple, but very effective method of prime factorization.

A step by step example of prime factorization

The definition of Prime Factorization

The definition of prime numbers

For more information and a prime factorization calculator please see

Prime Factorization

Finding Area of Triangle on a Coordinate Plane

Featured Video of the Day

Finding the area of a Triangle on a coordinate plane.

Imagine you have to drive to watch your favorite sports team play. Based on many factors like traffic, time, or road conditions, there are many different paths you could follow to arrive at your destination. In the same fashion, there are several paths one can take to calculate the area of a triangle based on the information given. The video of the day describes one method.

In this video you will learn.......

A method that can be used to find the area of a triangle when altitude is not given.

A method to find the area of a triangle without a right angle.

How to use the three vertices to find the area of a triangle.

The formula for finding the area using the coordinate plane method.

Watch an example problem using the coordinate plane method.

 

For more information please see Area of a triangle

Complementary Angles

Featured video of the day

Complementary Angles

Hope this video helps out in Math class.

In this video you will learn.

Definition of Complementary Angles

How to determine if an angle is complementary or a supplementary angle.

A sample problem involving complementary angles

Definition of a supplementary angle

For more information please see Complementary Angles