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Alex_hellokitty<3

  • 4 years ago

What is the surface area of the composite figure?

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  1. Alex_hellokitty<3
    • 4 years ago
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  2. Romero
    • 4 years ago
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    the bottom square is 8X8 there are 4 rectangles with 2X8 the area of each triangle is 1/2 b * h where b is 8 and h is 3 There are 4 of those.

  3. Romero
    • 4 years ago
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    Add all of those up

  4. Alex_hellokitty<3
    • 4 years ago
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    thank youu (:

  5. jhonyy9
    • 4 years ago
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    8*2=16*4=64 + (8*3/2)*4 =64+48=112

  6. Alex_hellokitty<3
    • 4 years ago
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    thank youu too ! :D

  7. Romero
    • 4 years ago
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    Check your work @jhonyy9

  8. jhonyy9
    • 4 years ago
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    area of base =8*8=64 - so total surface area =112+64=176

  9. Alex_hellokitty<3
    • 4 years ago
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    lol thanks again

  10. jhonyy9
    • 4 years ago
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    yw good luck bye

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