25 Videos for "area of rectangles"

Approximating Area Using Rectangles  Concept
Math › Calculus › The Definite Integral
How to approximate the area under a curve using rectangles. 
Approximating Area Using Rectangles  Problem 2
Math › Calculus › The Definite Integral
How to estimate the area between a curve and the xaxis with left and righthand sums. 
Approximating Area Using Rectangles  Problem 3
Math › Calculus › The Definite Integral
How to estimate the area between a curve and the xaxis with left and righthand sums. 
Approximating Area Using Rectangles  Problem 1
Math › Calculus › The Definite Integral
How to estimate the area between a curve and the xaxis with left and righthand sums. 
Area of Parallelograms  Concept
Math › Geometry › Area
How to find the area of any parallelogram using rectangle area formulas. 
Area of Parallelograms  Problem 4
Math › Geometry › Area
How to find the area of a rectangle, given the perimeter and one side. 
Area of Triangles  Concept
Math › Geometry › Area
How to derive the area of a triangle formula using the rectangle area formula. 
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 Parallelograms  Problem 2
Math › Geometry › Area
How to find the base length of a parallelogram given the area. 
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 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. 
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. 
Solving Formulas  Concept
Math › Geometry › Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height. 
Area of Trapezoids  Concept
Math › Geometry › Area
How to derive the area of a trapezoid formula using the area of a rectangle. 
Area of Parallelograms  Problem 3
Math › Geometry › Area
How to find the height of a parallelogram given two base lengths and a different height. 
Multiplying Polynomials using Area Models  Concept
Math › Algebra › Polynomials
How to relate area of rectangles to multiplying polynomials. 
Solving Formulas  Problem 2
Math › Geometry › Area
How to solve the area of a sector formula for the radius. 
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. 
Multiplying Polynomials using Area Models  Problem 4
Math › Algebra › Polynomials
An area, or geometric model for multiplying polynomials is explored through a "rectangle" or "box" method of organizing terms.