50 Videos for "rectangles"

Using the Pythagorean Theorem to find a Missing Hypotenuse  Problem 2
Math › Geometry › Pythagorean Theorem
How to calculate the length of a diagonal in a rectangle given its side lengths. 
Area of Kites and Rhombuses  Concept
Math › Geometry › Area
How to derive the area formula of a kite based on the rectangle formula; how to calculate the area of a rectangle using diagonal lengths. 
Area of Trapezoids  Concept
Math › Geometry › Area
How to derive the area of a trapezoid formula using the area of a rectangle. 
Divisibility  Problem 3
Math › PreAlgebra › Prime Numbers
Using factors to determine the possible dimensions of a rectangle with known area 
Area of Parallelograms  Problem 2
Math › Geometry › Area
How to find the base length of a parallelogram given the area. 
Prime Factorization  Problem 3
Math › PreAlgebra › Prime Numbers
Applying prime factorization to construction in rectangle areas 
Area of Parallelograms  Problem 1
Math › Geometry › Area
How to calculate the area of a parallelogram, given the lengths of the sides and a height. 
Area of Parallelograms  Problem 3
Math › Geometry › Area
How to find the height of a parallelogram given two base lengths and a different height. 
Solving Formulas  Problem 2
Math › Geometry › Area
How to solve the area of a sector formula for the radius. 
Rhombus Properties  Problem 1
Math › Geometry › Polygons
How to find the angles in a rhombus created by drawing one diagonal. 
Rhombus Properties  Problem 2
Math › Geometry › Polygons
How to find the length of diagonals and angles in a rhombus. 
Factoring Trinomials, a = 1  Problem 5
Math › Algebra › Factoring
Overview of factoring with an area, or rectangle method 
Area of Triangles  Problem 2
Math › Geometry › Area
How to find an unknown variable, x, when the area is given and the base and height of a triangle is given in terms of x. 
Factoring Trinomials, a is not 1  Problem 5
Math › Algebra › Factoring
Factoring with an area, or rectangle method when "a" is not one 
Solving Formulas  Problem 1
Math › Geometry › Area
How to solve for one of the bases of a trapezoid in the trapezoid area formula. 
Solving Formulas  Problem 3
Math › Geometry › Area
How to solve the area of a regular polygon formula for the side length. 
Solving Quadratic Equations by Factoring  Problem 18
Math › Algebra › Quadratic Equations and Functions
Area of rectangles application of solving a quadratic from factored form 
Parallelogram Properties  Concept
Math › Geometry › Polygons
How to identify all of the special properties of parallelograms and use them to solve problems. 
Area of Triangles  Problem 1
Math › Geometry › Area
How to find the height of a triangle, given the three sides of a right triangle, using the area of a triangle formula. 
Multiplying Polynomials using Area Models  Concept
Math › Algebra › Polynomials
How to relate area of rectangles to multiplying polynomials.