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anonymous

  • one year ago

Please help me

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    find the area of each side then add them up. Let's start with the rectangle in red. |dw:1438378740915:dw|

  3. anonymous
    • one year ago
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    What's that area?

  4. anonymous
    • one year ago
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    17.5

  5. anonymous
    • one year ago
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    right, now this one |dw:1438378928981:dw|

  6. anonymous
    • one year ago
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    12

  7. anonymous
    • one year ago
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    That one should be 4 * 3.5

  8. anonymous
    • one year ago
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    14

  9. anonymous
    • one year ago
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    Now the one on the bottom

  10. anonymous
    • one year ago
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    5 * 3?

  11. anonymous
    • one year ago
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    3 * 3.5 because those are the numbers on the sides of the bottom rectangle

  12. anonymous
    • one year ago
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    10.5

  13. anonymous
    • one year ago
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    right, now the triangles |dw:1438379252528:dw|

  14. anonymous
    • one year ago
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    for both, the base is 3 and the height is 4

  15. anonymous
    • one year ago
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    so 1/2 * 5 * 3?

  16. anonymous
    • one year ago
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    i mean 4 not 5

  17. anonymous
    • one year ago
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    yes ½*4*3

  18. anonymous
    • one year ago
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    6

  19. anonymous
    • one year ago
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    right, so when you add them all up, use 6 twice for the two triangles A = 17.5 + 14 + 10.5 + 6 + 6

  20. anonymous
    • one year ago
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    54

  21. anonymous
    • one year ago
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    that's right

  22. anonymous
    • one year ago
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    i see it now thank you (:

  23. anonymous
    • one year ago
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    you're welcome

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spraguer (Moderator)
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