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vitfil [10]
3 years ago
7

Find the total surface area of the net below.

Mathematics
1 answer:
Solnce55 [7]3 years ago
8 0

Total surface area of the triangular prism is  81.6 square m.

Step-by-step explanation:

  • b = 3 m
  • h = 2.6 m
  • p = 3+ 2.6 +2.6=  8.2
  • H = 9 m
  • SA = bh + pH

    = 3 × 2.6 + 8.2 ×9

    = 7.8 + 73.8

    = 81.6

  • Therefore,
  • SA = 81.6 square m
  • Total surface area of the triangular prism is  81.6 square m.
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Apply to Row 2 : Row 2 + Row 1

2x + 2y + 3z = 0

y + 4z = -3

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Apply to Row 3: Row 3 - Row 1

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Apply to Row 3: Row 3 - Row 2

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Simplify rows

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<em>Note that the matrix is in echelon form now. The next steps are for back substitution.</em>

Apply to Row 2: Row 2 - 4 Row 3

2x + 2y + 3z = 0

y = 5

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Apply to Row 1: Row 1 - 3 Row 3

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z = -2

Apply to Row 1: Row 1 - 2 Row 2

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3 years ago
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First he sold 20% of his lot to neighbor .

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Percent of Mr.Williams' original parking lot does he still own = \dfrac{0.64x}{x}\times100=64\%

Hence, he still owns 64% of the Mr.Williams' original parking.

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