• #### Perimeter - Concept

##### Math›Geometry›Geometry Building Blocks
How to define perimeter and calculate it for squares, rectangles, and circles.
• #### Perimeter - Problem 1

##### Math›Geometry›Geometry Building Blocks
How to calculate the side length of a rectangle given the perimeter and a different side.
• #### Area and Perimeter of Rectangles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Overview of area and perimeter formulas for parallelograms and rectangles
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• #### Area and Perimeter of Rectangles - Problem 3

##### Math›Pre-Algebra›Introductory Geometry
Finding area and perimeter of parallelograms with variables in side lengths
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• #### 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
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• #### Area and Perimeter of Rectangles - Problem 4

##### Math›Pre-Algebra›Introductory Geometry
Finding possible dimensions for a rectangular fence with known perimeter
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• #### Area and Perimeter of Triangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of a triangle
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• #### Area and Perimeter of Rectangles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of parallelograms with integer side lengths
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• #### Area and Perimeter of Rectangles - Problem 2

##### Math›Pre-Algebra›Introductory Geometry
Finding decimal approximations and exact areas and perimeters for parallelograms with square root side lengths
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• #### Area and Perimeter of Triangles - Problem 2

##### Math›Pre-Algebra›Introductory Geometry
Finding the area and perimeter of composite shapes that contain triangles
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• #### Area and Perimeter of Circles - Concept

##### Math›Pre-Algebra›Introductory Geometry
Vocabulary and formulas for the area of a circle
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• #### Area and Perimeter of Circles - Problem 1

##### Math›Pre-Algebra›Introductory Geometry
Exact and decimal approximations for the area and circumference of circles
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• #### Area and Perimeter of Triangles - Concept

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

##### Math›Pre-Algebra›Introductory Geometry
Area of composite shape involving circles in a real life problem
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• #### Adding and Subtracting Polynomials - Problem 2

##### Math›Algebra›Polynomials
How to write a polynomial expression for the perimeter of a shape.
• #### Constructing a Perpendicular at a Point on a Line - Problem 1

##### Math›Geometry›Constructions
How to construct a square if the perimeter of the square is given as a line segment.
• #### Area of Regular Polygons - Problem 3

##### Math›Geometry›Area
How to calculate the perimeter of a regular polygon given the area and apothem length.
• #### Applied Linear Equations: Geometry Problem - Problem 1

##### Math›Algebra 2›Linear Equations
How to solve a word problem involving the perimeter of a of a rectangle.
• #### Applied Linear Equations: Geometry Problem - Problem 1

##### Math›Precalculus›Linear Equations and Inequalities
How to solve a word problem involving the perimeter of a of a rectangle.
• #### Circumference - Problem 3

##### Math›Geometry›Circles
How to find the perimeter of a figure that appears to be a track.