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Published byVirgil Stanley Modified over 8 years ago

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**Perimeter and Area of Rectangles, Squares, and Triangles**

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**(Vocab section of your binders!!)**

Perimeter and Area Vocabulary (Vocab section of your binders!!) Perimeter ~ The distance around a polygon, or shape. Area ~ The number of square units needed to cover a given surface. We measure area in square units.

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**To find the perimeter, add up all of the sides.**

2 cm 3 cm 4 cm 3 cm 3 cm 5 cm 8 cm 8 cm 3 cm 3 cm 5 cm 3 cm 3 cm 4 cm 3 cm 3 cm 2 cm

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Perimeter Even if the value of the side is not given, use what you know to solve for the perimeter. 5 cm 10 mm 4 mm 4 mm

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**Area of Rectangles Area = length • width A = l • w**

Use this formula to find the area of a rectangle. 2 m 7 m 6 m 1 m 3 m 5 m

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**Area of Triangles Area = ½ • base • height A=1/2bh 2.9 cm 13.2 km**

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**Area of Parallelograms**

Area = base • height A = bh 6.2 m 9 m 4.7 m 7 m

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