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Chapter 11.1 and 11.2

Areas of parallelograms, triangles, kites, trapezoids and rho m bi. Chapter 11.1 and 11.2. Parallelogram. Find the perimeter and area of. Example 1. Perimeter and Area of a Parallelogram. A. Find the perimeter and area of. Example 1. A. 88 m; 255 m 2 B. 88 m; 405 m 2

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Chapter 11.1 and 11.2

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  1. Areas of parallelograms, triangles, kites, trapezoids and rhombi Chapter 11.1 and 11.2

  2. Parallelogram

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

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

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

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

  7. Concept 4

  8. Example 3 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?

  9. Example 3 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

  10. Trapezoid

  11. Example 1 Area of a Trapezoid SHAVINGFind the area of steel used to make the side of the razor blade shown below. Answer:A = 2.75 cm2

  12. Example 1 Find the area of the side of the pool outlined below. A. 288 ft2 B. 295.5 ft2 C. 302.5 ft2 D. 310 ft2

  13. Example 2 Area of a Trapezoid OPEN ENDEDMiles designed a deck shaped like the trapezoid shown below. Find the area of the deck.

  14. Example 2 Ariel is carpeting a room shaped like the trapezoid shown below. Find the area of the carpet needed. A. 58 ft2 B. 63 ft2 C. 76 ft2 D. 88 ft2

  15. Concept 2

  16. Example 3A A. Find the area of the kite. Answer: 42 ft2

  17. Example 3B B. Find the area of the rhombus.

  18. Example 3A A. Find the area of the kite. A. 48.75 ft2 B. 58.5 ft2 C. 75.25 ft2 D. 117 ft2

  19. Example 3B B. Find the area of the rhombus. A. 45 in2 B. 90 in2 C. 180 in2 D. 360 in2

  20. Example 4 Trapezoid QRST has an area of 210 square yards. Find the height of QRST. A. 3 yd B. 6 yd C. 2.1 yd D. 7 yd

  21. Area of figures

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