• #### Definite Integrals and Area - Problem 1

##### Math›Calculus›The Definite Integral
How to find the area bounded between a curve and an x-axis.
• #### 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.
• #### 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.
• #### Surface Area of Spheres - Problem 1

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

##### Math›Geometry›Similarity
How to find missing lengths of similar polygons given the ratio of their areas.
• #### Area With Determinants - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of a triangle using a determinant.
• #### Area With the Cross Product - Problem 1

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using the cross product of the vectors that determine it.
• #### 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›Geometry›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 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 - Problem 2

##### Math›Geometry›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 - 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.
• #### Multiplying Polynomials using Area Models - Problem 3

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

##### Math›Precalculus›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.
• #### Multiplying Polynomials using Area Models - Problem 2

##### Math›Algebra›Polynomials
How to multiply a binomial and a trinomial using an area model.
• #### Area With Determinants - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to use the triangle area formula to test three points for collinearity.
• #### Area With Determinants - Problem 3

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to compute the area of an irregular quadrilateral using determinants.
• #### Approximating Area Using Rectangles - Problem 3

##### Math›Calculus›The Definite Integral
How to estimate the area between a curve and the x-axis with left- and right-hand sums.