kay264 kay264
  • 21-04-2017
  • Mathematics
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what is the answer

what is the answer class=

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2Educ8
2Educ8 2Educ8
  • 21-04-2017
If the base lengths are equal we know the base is a square. Therefore we use the formulas for area of a square for the base, and area of a triangle for the four sides.

Base = 12 * 12 = 144 sq cm
Sides = 4(1/2bh) = 4(1/2(12)(17)) = 4(6(17)) = 4(102) = 408 sq cm

144 + 408 = 552 sq cm
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evelinmelgar3
evelinmelgar3 evelinmelgar3
  • 21-04-2017
the surface area is 552 sqaure centimeters.
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