• #### Definite Integrals and Area - Concept

##### Math›Calculus›The Definite Integral
How to use definite integrals to find the area between a curve or under a curve.
• #### Surface Area of Spheres - Concept

##### Math›Geometry›Volume
How to calculate the surface area of a sphere given a radius.
• #### Definite Integrals and Area - Problem 2

##### Math›Calculus›The Definite Integral
How to find the area bounded between a curve and an x-axis when the curve goes below the x-axis.
• #### Similarity and Area Ratios - Concept

##### Math›Geometry›Similarity
How to convert between length and area ratios of similar polygons
• #### Surface Area of Spheres - Problem 1

##### Math›Geometry›Volume
How to calculate the surface area of a hemisphere.
• #### Surface Area of Spheres - Problem 2

##### Math›Geometry›Volume
How to calculate the surface area of a sphere given the volume.
• #### Similarity and Area Ratios - Problem 1

##### Math›Geometry›Similarity
How to find the ratio of corresponding lengths given the ratio of areas between similar polygons.
• #### Area With Determinants - Concept

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using a determinant.
• #### Similarity and Area Ratios - Problem 2

##### Math›Geometry›Similarity
How to find missing lengths of similar polygons given the ratio of their areas.
• #### Approximating Area Using Rectangles - Concept

##### Math›Calculus›The Definite Integral
How to approximate the area under a curve using rectangles.
• #### Multiplying Polynomials using Area Models - Concept

##### Math›Algebra›Polynomials
How to relate area of rectangles to multiplying polynomials.
• #### Area With Determinants - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of a triangle using a determinant.
• #### Multiplying Polynomials using Area Models - Problem 2

##### Math›Algebra›Polynomials
How to multiply a binomial and a trinomial using an area model.
• #### Multiplying Polynomials using Area Models - Problem 1

##### Math›Algebra›Polynomials
How to multiply 2 binomials using an area model.
• #### Using Sine to Calculate the Area of a Triangle - Problem 1

##### Math›Trigonometry›Basic Trigonometry
How to calculate the area of a triangle using two sides and an included angle.
• #### Using Sine to Calculate the Area of a Triangle - Concept

##### Math›Geometry›Basic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
• #### Using Sine to Calculate the Area of a Triangle - Concept

##### Math›Trigonometry›Basic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
• #### Using Sine to Calculate the Area of a Triangle - Problem 1

##### Math›Precalculus›Basic Trigonometry
How to calculate the area of a triangle using two sides and an included angle.
• #### Using Sine to Calculate the Area of a Triangle - Problem 2

##### Math›Trigonometry›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.
• #### Using Sine to Calculate the Area of a Triangle - Concept

##### Math›Precalculus›Basic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.