197 Videos for "area"

Approximating Area Using Rectangles  Problem 2
Math › Calculus › The Definite Integral
How to estimate the area under a curve, f = x^2 +1, with left and righthand sums. 
Volume and Surface Area  Problem 1
Math › PreAlgebra › Introductory Geometry
Volume and surface area of cones, spheres, and cylinders 
Area and Perimeter of Triangles  Problem 3
Math › PreAlgebra › Introductory Geometry
Finding the area and perimeter of triangles with variables in the side lengths 
Area With the Cross Product  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors. 
Area With the Cross Product  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xyplane using vectors formed from two of its sides. 
Area With the Cross Product  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in xyzspace using vectors formed from two of its sides. 
Area and Perimeter of Rectangles  Problem 1
Math › PreAlgebra › Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths 
Area and Perimeter of Triangles  Problem 2
Math › PreAlgebra › Introductory Geometry
Finding the area and perimeter of composite shapes that contain triangles 
Area and Perimeter of Rectangles  Problem 2
Math › PreAlgebra › Introductory Geometry
Finding decimal approximations and exact areas and perimeters for parallelograms with square root side lengths 
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. 
Area and Perimeter of Rectangles  Problem 4
Math › PreAlgebra › Introductory Geometry
Finding possible dimensions for a rectangular fence with known perimeter 
Regions Between Circles and Squares  Problem 2
Math › Geometry › Area
How to calculate the area of a region formed by four quarter circles inside a square. 
Regions Between Circles and Squares  Concept
Math › Geometry › Area
How to calculate the area between a square and an inscribed circle. 
Regions Between Circles and Squares  Problem 1
Math › Geometry › Area
How to calculate the area of a region formed by four circles inside a square. 
Center and Apothem of Regular Polygons  Problem 1
Math › Geometry › Area
How to find the length of an apothem in a regular polygon given a side length and the number of sides. 
Center and Apothem of Regular Polygons  Concept
Math › Geometry › Area
How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles. 
Pythagorean Theorem Proofs  Concept
Math › Geometry › Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square. 
Pythagorean Theorem Proofs  Concept
Math › Trigonometry › Pythagorean Theorem
How to prove the Pythagorean Theorem using Algebra to show the area of the smaller square plus the area of four triangles is equal to the area of the larger square. 
Solving Literal Equations  Problem 1
Math › Algebra › Solving Equations
How to solve literal equations about area of a triangle. 
Similarity and Volume Ratios  Problem 3
Math › Geometry › Similarity
How to find the volume of a similar solid given the ratio of surface areas.