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Splash Screen. You will be able to Find perimeters and areas of parallelograms. Find perimeters and areas of triangles. Then/Now. base of a parallelogram. height of a parallelogram. Vocabulary. Concept 1. Concept 2. Find the perimeter and area of. Perimeter and Area of a Parallelogram.

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  1. Splash Screen

  2. You will be able to • Find perimeters and areas of parallelograms. • Find perimeters and areas of triangles. Then/Now

  3. base of a parallelogram • height of a parallelogram Vocabulary

  4. Concept 1

  5. Concept 2

  6. Find the perimeter and area of Perimeter and Area of a Parallelogram Example 1

  7. A. Find the perimeter and area of A. 88 m; 255 m2 B. 88 m; 405 m2 C. 88 m; 459 m2 D. 96 m; 459 m2 Example 1

  8. Find the area of Area of a Parallelogram Example 2

  9. Find the area of A. 156 cm2 B. 135.76 cm2 C. 192 cm2 D. 271.53 cm2 Example 2

  10. base of a triangle • height of a triangle Vocabulary

  11. Concept 3

  12. Concept 4

  13. Perimeter and Area of a Triangle SANDBOXYou need to buy enough boards to make the frame of the triangular sandbox shown and enough sand to fill it. If one board is 3 feet long and one bag of sand fills 9 square feet of the sandbox, how many boards and bags do you need to buy? Example 3

  14. PLAYGROUNDYou need to buy enough boards to make the frame of the triangular playground shown here and enough mulch to fill it. If one board is 4 feet long and one bag of mulch covers 7 square feet, how many boards and bags do you need to buy? A. 12 boards and 14 bags of mulch B. 11 boards and 13 bags of mulch C. 12 boards and 13 bags of mulch D. 11 boards and 14 bags of mulch Example 3

  15. Use Area to Find Missing Measures ALGEBRA The height of a triangle is 7 inches more than its base. The area of the triangle is 60 square inches. Find the base and height. Example 4

  16. ALGEBRAThe height of a triangle is 12 inches more than its base. The area of the triangle is 560 square inches. Find the base and the height. A. base = 56 in. and height = 10 in. B. base = 28 in. and height = 40 in. C. base = 20 in. and height = 56 in. D. base = 26 in. and height = 38 in. Example 4

  17. End of the Lesson

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