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anonymous

  • one year ago

HELP PLZ WILL MEDAL AND FAN Mr. McKenzie built a doorstop out of a block of wood. What is the surface area of the doorstop? The doorstop is a triangular prism that has triangles with a base of five centimeters, height of twelve centimeters, and slant height of thirteen centimeters. The rectangles connecting the triangles are four centimeters wide.

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  1. anonymous
    • one year ago
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    |dw:1436979992328:dw|

  2. anonymous
    • one year ago
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    @DarkMoonZ

  3. anonymous
    • one year ago
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    ninety-six square centimeters one hundred twelve square centimeters one hundred eighty square centimeters two hundred forty square centimeters

  4. Kash_TheSmartGuy
    • one year ago
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    Surface Area=(Perimeter*Height)+(Area of The Base*2)\[S=(P*H)+(A*2)\]

  5. Kash_TheSmartGuy
    • one year ago
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    \[S=[(5+12+13)*4]+[2*(\frac{ 1 }{ 2 }*12*5)]\]\[S=120+60\]\[S=180cm ^{2}\]

  6. Kash_TheSmartGuy
    • one year ago
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    Your answer is 180cm^2

  7. anonymous
    • one year ago
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    thank you so much

  8. Kash_TheSmartGuy
    • one year ago
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    np :)

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