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Area and perimeter of triangles

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Intros
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Lessons
  1. What are the basic properties of a triangle?
  2. How do you calculate the perimeter of a triangle?
  3. How do you calculate the area of a triangle?
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Examples
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Lessons
  1. Perimeter of Triangles
    Calculate the perimeter of each triangle.

    1. 2D Shapes: Area and Perimeter of Rectangles

    2. 2D Shapes: Area and Perimeter of Rectangles

    3. 2D Shapes: Area and Perimeter of Rectangles
  2. Area of Triangles
    Calculate the area of each triangle.

    1. 2D Shapes: Area and Perimeter of Rectangles

    2. 2D Shapes: Area and Perimeter of Rectangles

    3. 2D Shapes: Area and Perimeter of Rectangles
  3. Perimeter and Area of Compound Triangle Shapes
    Calculate the perimeter and area of each compound shape. Break down the complex shapes into components (triangles and rectangles) first!

    1. 2D Shapes: Area and Perimeter of Rectangles

    2. 2D Shapes: Area and Perimeter of Rectangles

    3. 2D Shapes: Area and Perimeter of Rectangles
  4. Triangles Word Problem
    The side of a skateboard ramp is a right triangle. What is the perimeter and area of the side of a skateboard ramp that has the following measurements: base=20m, height=15m, slope=25m

    2D Shapes: Area and Perimeter of Rectangles