• 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›Pre-Algebra›Prime Numbers
Using factors to determine the possible dimensions of a rectangle with known area
Tags:
• 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›Pre-Algebra›Prime Numbers
Applying prime factorization to construction in rectangle areas
Tags:
• 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
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• 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

Area of rectangles application of solving a quadratic from factored form
Tags:
• 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.