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Perimeter & Area

Perimeter & Area. Lessons 19 & 20. Vocabulary. Perimeter The OUTSIDE (total) area of a polygon Area The INSIDE area of a polygon. Formulas…. Perimeter requires to add all the sides of a polygon. Perimeter = side + side + side + … OR P = s + s + s +…. Formulas…. Area requires

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Perimeter & Area

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  1. Perimeter & Area Lessons 19 & 20

  2. Vocabulary Perimeter The OUTSIDE (total) area of a polygon Area The INSIDE area of a polygon

  3. Formulas… Perimeter requires to add all the sides of a polygon Perimeter = side + side + side + … OR P = s + s + s +…

  4. Formulas… Area requires to multiply specific sides together Area = length x width OR A = l x w Area = side x side OR A = s² Area = ½ (base x height) OR A = b x h 2

  5. Perimeter & Area

  6. Examples… Find the perimeter & area for the rectangle: 12 in 5 in

  7. Examples… Find the perimeter & area for the square: 8 cm

  8. Examples… Find the perimeter & area for the triangle: 6 in 12 in 8 in

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