13.1 Practice for Area of Triangles, Rectangles, and Parallelograms 7. P=40,A=60 92 1. 8. P=126,A=630 9 9. 48 2. 288 10. 40 3. 52 11. 20 4. 14 12. 960 5. 6.5 13. 672 6. 32 14. 474 15. h=15,b=30 16. b=18, h=12 17. s=16,p=64 18. w=6,p=40 19. 150 3 20. 90 13.2 Area of Rhombus, Trapezoids, and Kites 1. 115.28 2. 98.773 or 65.565 4.65 51 3. 4. 5. 6. 7. 8. 1.045 60 65.2 7.56 4 2 9. 20 10. 8 11. 22.5 12. 16 13. 7 14. 10 15. 191.973 or 32 17 2 901 17. 669.415 or 420 144 3 18. 65 19. 92.419 or 54 6 41 20. 30 21. Yes, 216 in2 extra 22. 1350 16. 528.087 Worksheet more 13.1 to 13.2 PAP 1. 2. 3. 4. 176 4 80 18 75 3 8 6. 28 7. 30 8. 72 60 2 5. 9. 18 3 10. 96 11. $42,922.21 12. Triangle is twice parallelogram 13. 39 3 19. 15.1038 units2 20. 6 21. 21 7 22. 4 14. 16 3 23. 15. 120 2 16. 60 2 17. 96 18. 119 95 3 8 3 24. 2m 5 25. 7k 4 26. 4c 5 13.4 Similar Figures 1) 4:7; 16:49; 144 in2 2) 2:5; 4:25; 450 cm2 3) 10:7; 100:49; 85.75 mm2 4) 3:8; 9:64; 384 ft2 5) 13:12 6) 2 7 : 7 7) 5 5 : 6 3 8) 8 in. 9) 15 cm 10) 81:64 11) 4:9 12) 360 in2 13) 8 2 cm by 12 2 cm 14) 216 ft2; 32 ft and 24 ft; 20 ft 15) 216 3 mm2 16) 6 17) 16 18) X=2 19) X=5 20) X=7 21) x 3 2 22) (4,4) 23) (8,3) 3 2 24) ,10 25) (5,6)
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