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InsanityxP

Need help with surface area of a rectangular prism. ~ Example in the comments~ SA= 2lw + 2lh + 2wh

  • one year ago
  • one year ago

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  1. InsanityxP
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    • one year ago
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  2. pathosdebater
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    S = 2 (21 * 21) + 2(21 * 2) + 2(2 * 21) S = 1050

    • one year ago
  3. InsanityxP
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    Wait, how did you get 21?

    • one year ago
  4. pathosdebater
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    In your equation you put 21h and 21w

    • one year ago
  5. InsanityxP
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    Oh sorry, that was meant to be the equation to find surface are for a rectangular prism. SA=2 Length times width + 2 Length times height + 2 Width times Height.

    • one year ago
  6. pathosdebater
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    Sorry, did not see that photo you attached

    • one year ago
  7. pathosdebater
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    Here is the answer S = 2 (12 * 4) + 2(12 * 2) + 2(4 * 2) S = 160

    • one year ago
  8. InsanityxP
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    That's fine. And thank you.

    • one year ago
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