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gabbyalicorn

  • one year ago

What is the surface area of the figure? Solid Figures, Part 1 A. 300 cm2 B. 390 cm2 C. 220 cm2 D. 195 cm2 https://www.dropbox.com/s/gmyxu44pk3580oz/Screenshot%202015-06-15%2019.24.05.png?dl=0

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  1. gabbyalicorn
    • one year ago
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    @Kash_TheSmartGuy

  2. gabbyalicorn
    • one year ago
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    @amberosales

  3. Kash_TheSmartGuy
    • one year ago
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    Okay, I will drive you through the steps. Sounds good?

  4. gabbyalicorn
    • one year ago
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    √ Yeppers.

  5. anonymous
    • one year ago
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    Sooo sorry, I have this question, that that one :(

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  6. gabbyalicorn
    • one year ago
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    But, it is not the right one.

  7. Kash_TheSmartGuy
    • one year ago
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    First, divide the figure into two figures.

  8. anonymous
    • one year ago
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    which question is this one?

  9. gabbyalicorn
    • one year ago
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    |dw:1434421801369:dw|

  10. gabbyalicorn
    • one year ago
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    Did I do it right? Probably, not.

  11. Kash_TheSmartGuy
    • one year ago
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    Nope, you have to get it vertically.

  12. gabbyalicorn
    • one year ago
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    |dw:1434421974453:dw|

  13. gabbyalicorn
    • one year ago
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    Is this correct? @Kash_TheSmartGuy

  14. gabbyalicorn
    • one year ago
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    @Luigi0210 please help :)

  15. Luigi0210
    • one year ago
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    @Kash_TheSmartGuy Still helping them?

  16. gabbyalicorn
    • one year ago
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    Please, don't leave me in silence. ;-;

  17. gabbyalicorn
    • one year ago
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    @jim_thompson5910

  18. anonymous
    • one year ago
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    @TheSmartOne

  19. jim_thompson5910
    • one year ago
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    |dw:1434422822127:dw|

  20. gabbyalicorn
    • one year ago
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    Woah! That's so good!

  21. jim_thompson5910
    • one year ago
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    |dw:1434422921586:dw|

  22. jim_thompson5910
    • one year ago
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    What I would do is cut that L figure in the top view like this |dw:1434423015139:dw|

  23. gabbyalicorn
    • one year ago
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    Divide.

  24. jim_thompson5910
    • one year ago
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    so you have a 5 by 10 rectangle on top of a 5 by 5 rectangle |dw:1434423048190:dw|

  25. jim_thompson5910
    • one year ago
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    find the area of each rectangle I marked just now

  26. gabbyalicorn
    • one year ago
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    So multiply 5 x 5 and 10 x 5?

  27. jim_thompson5910
    • one year ago
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    yeah to get the overall top area of that L shape

  28. gabbyalicorn
    • one year ago
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    Then, add the two together?

  29. jim_thompson5910
    • one year ago
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    yep

  30. gabbyalicorn
    • one year ago
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    Which would be 75.

  31. jim_thompson5910
    • one year ago
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    that's the top area as well as the bottom area |dw:1434423170360:dw|

  32. jim_thompson5910
    • one year ago
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    |dw:1434423191739:dw|