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anonymous

  • one year ago

surface area??

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  1. anonymous
    • one year ago
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    http://gyazo.com/14d82c257b8fc66879b97a4eee425908 question in link

  2. anonymous
    • one year ago
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    The shape is 2 of the triangle and 1 of each rectangle. The area of a rectangle is A = bh. The area of a triangle is A = ½bh. |dw:1433040155272:dw|

  3. anonymous
    • one year ago
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    add up the areas of each shape to get the surface area

  4. anonymous
    • one year ago
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    do i add the sides or mulitpy?

  5. anonymous
    • one year ago
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    multiply the sides

  6. anonymous
    • one year ago
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    175 for the rectangles, 47.5 for the trinagles? that is if you do the 1/2 times what you get from mulitplying the sides?

  7. anonymous
    • one year ago
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    so 222.5?

  8. anonymous
    • one year ago
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    No that's not right. How did you do the triangle?

  9. anonymous
    • one year ago
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    12*5*1/2

  10. anonymous
    • one year ago
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    that's right, but I'm not sure how you got 47.5

  11. anonymous
    • one year ago
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    Should be 30

  12. anonymous
    • one year ago
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    so 240

  13. anonymous
    • one year ago
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    60 for both triangles, so 270

  14. anonymous
    • one year ago
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    ahhh i forgot the other triangle cuz i was looking at what you drew.

  15. anonymous
    • one year ago
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    would you mind helping me with a few more?

  16. anonymous
    • one year ago
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    I'll try

  17. anonymous
    • one year ago
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    http://gyazo.com/b19ca53f670b47ebcbd706efa803ed61

  18. anonymous
    • one year ago
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    thank you !

  19. anonymous
    • one year ago
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    This is actually the same problem. They just changed the 7 to an 8.|dw:1433041269568:dw|

  20. anonymous
    • one year ago
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    i got 300?

  21. anonymous
    • one year ago
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    yep

  22. anonymous
    • one year ago
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    http://gyazo.com/a994d0fdaf843b51037fce3dd75fab1b

  23. anonymous
    • one year ago
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    how about this one ?

  24. anonymous
    • one year ago
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    same thing. This time it's 10.

  25. anonymous
    • one year ago
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    10 in the place of the 8?

  26. anonymous
    • one year ago
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    yes in place of 8

  27. anonymous
    • one year ago
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    360

  28. anonymous
    • one year ago
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    yes :)

  29. anonymous
    • one year ago
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    http://gyazo.com/52adc05e6d6081ea068ccff5adc526a2 same thing just with 11 where the 10 was?

  30. anonymous
    • one year ago
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    you got it!

  31. anonymous
    • one year ago
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    390?

  32. anonymous
    • one year ago
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    yes

  33. anonymous
    • one year ago
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    http://gyazo.com/93e438c2e8b8f1991a74dcfa74f44966 last one its different

  34. anonymous
    • one year ago
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    this time, all the numbers change|dw:1433041979291:dw|