• Area of Triangles - Concept

Math›Geometry›Area
How to derive the area of a triangle formula using the rectangle area formula.
• 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.
• 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.
• 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 - 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 - 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 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›Precalculus›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 2

Math›Geometry›Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.
• Area and Perimeter of Triangles - Concept

Math›Pre-Algebra›Introductory Geometry
Understanding why the area of a triangle is 1/2 base times height
Tags:
• Area and Perimeter of Triangles - Problem 1

Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of a triangle
Tags:
• 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.
• 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.
• Area and Perimeter of Triangles - Problem 3

Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of triangles with variables in the side lengths
Tags:
• Area and Perimeter of Triangles - Problem 2

Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of composite shapes that contain triangles
Tags:
• Area of a Segment - Problem 2

Math›Geometry›Area
How to find the area of a segment, given a side in an equilateral triangle.
• Area of a Segment - Problem 1

Math›Geometry›Area
How to find the area of a segment, given a leg in a right triangle.
• 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 xy-plane using vectors formed from two of its sides.
• 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.