anonymous
  • anonymous
help surface area of prisms and pyramids... will give a medal
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
Kash_TheSmartGuy
  • Kash_TheSmartGuy
122in sq
Kash_TheSmartGuy
  • Kash_TheSmartGuy
Confirm It.

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anonymous
  • anonymous
can u show me how u got that
anonymous
  • anonymous
Area of a prism is Base x Height
Kash_TheSmartGuy
  • Kash_TheSmartGuy
No, it's wrong @Schen421
Kash_TheSmartGuy
  • Kash_TheSmartGuy
He asked for Surface Area of the prism, which is S=(Perimeter*height)+2(Area of the Base)
anonymous
  • anonymous
base is 9x9 =81
anonymous
  • anonymous
Oh my bad, that was volume. S.A = Perimeter times height + 2Bases
anonymous
  • anonymous
right?
Kash_TheSmartGuy
  • Kash_TheSmartGuy
SO: S=(4+4+4)(9)+(2)(0.5)(4)(3.5) S=12(9)+(2)(0.5)(4)(3.5) S=108+(2)(0.5)(4)(3.5) S=108+(4)(3.5) S=108+14 S=122 sq in.

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