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Presentation transcript:

Take the worksheet from the Chrombook cart. Perimeter - The length around a shape (add up all of the sides) Area – The amount of square units inside a shape.

Base & Height must be perpendicular Use Pythagorean Theorem to find missing sides of a right triangle

Find the perimeter and area: 1. 2. 3.

Find the perimeter:

Come up with a strategy to either find What about the area? Come up with a strategy to either find or estimate the area of this figure.

Break into simple shapes that you can easily find the area of Break into simple shapes that you can easily find the area of. ADD the area of all shapes together Use horizontal and vertical lines if possible. The base & height must be perpendicular! OR Draw a rectangle around the shape. SUBTRACT the area of the extra triangles and you are left with the desired area.

Find the area of the shape using addition:

Find the area of the shape using subtraction:

Find the area:

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