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anonymous

  • one year ago

Marissa needs to paint all the faces and the base of a model pyramid she made for her history project. The dimensions of the pyramid are shown here. What is the total surface area of the pyramid?

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @LynFran

  3. anonymous
    • one year ago
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    I tried it i think i got 140 but im not sure if thats correct

  4. LynFran
    • one year ago
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    u can find the area of the square and then the triangle (note they are 4 of them) so 10*10=100 ..area of square (1/2)(10)(8)=40 40*4=?? now 100+40*4=??

  5. anonymous
    • one year ago
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    260

  6. LynFran
    • one year ago
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    correct

  7. anonymous
    • one year ago
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    Thank you so much @LynFran (:

  8. LynFran
    • one year ago
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    welcome

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