# lateral area   46 videos

• #### Area of an Annulus

##### GeometryArea

How to derive the formula for the area of an annulus.

• #### Approximating Area Using Rectangles

##### CalculusThe Definite Integral

How to approximate the area under a curve using rectangles.

approximating area under a curve left hand sums right hand sums limits
• #### Area of Kites and Rhombuses

##### GeometryArea

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.

kite area diagonals consecutive sides vertex angle non vertex angle bisect perpendicular rhombus
• #### Area and Perimeter of Circles

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for the area of a circle

• #### Area With the Cross Product

##### PrecalculusSystems 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.

cross product magnitude of vectors dot product angle between vectors area parallelogram
• #### Area and Perimeter of Rectangles

##### Pre-AlgebraIntroductory Geometry

Overview of area and perimeter formulas for parallelograms and rectangles

• #### Volume and Surface Area

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for surface area and volume of common solids

• #### Area Between Curves

##### AP Calculus ABAP Calculus Videos
Area between two curves area between intersecting curves curves that intersect at more than one point
• #### Area and Perimeter of Triangles

##### Pre-AlgebraIntroductory Geometry

Understanding why the area of a triangle is 1/2 base times height

• #### Solving Formulas

##### GeometryArea

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.

formulas isolating a variable rectangle area triangle area trapezoid area regular polygon area
• #### Pythagorean Theorem Proofs

##### GeometryPythagorean 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.

right triangle area of a square binomial squared area of a triangle side leg hypotenuse
• #### Pythagorean Theorem Proofs

##### TrigonometryPythagorean 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.

right triangle area of a square binomial squared area of a triangle side leg hypotenuse
• #### Similarity and Volume Ratios

##### GeometrySimilarity

How to identify if two solids are similar and how to convert 1D ratios to surface area and volume ratios.

similarity volume ratios surface area
• #### Volume of Cones

##### GeometryVolume

How to compare the volume of a cone and a cylinder and how to calculate the volume of a cone given the radius and height.

volume base area height circle area
• #### Multiplication and Division with Decimals

Multiplying and dividing decimals by ignoring and later replacing the decimal point

• #### Space Diagonals

##### GeometryPythagorean Theorem

How to define and calculate a space diagonal.

space diagonal vertex base lateral face
• #### Space Diagonals

##### TrigonometryPythagorean Theorem

How to define and calculate a space diagonal.

space diagonal vertex base lateral face
• #### Volume of Cylinders

##### GeometryVolume

How to calculate the volume of any cylinder.

volume base area height circle area rectangular prism
• #### 3-D Solid Properties

##### GeometryVolume

How to label the parts of a prism, how to distinguish between an oblique and a right prism.

vertex bases face lateral face edge oblique prism right prism
• #### Regions Between Circles and Squares

##### GeometryArea

How to calculate the area between a square and an inscribed circle.