twistedwolfandfoxy
Answered

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Sagot :

mhanifa

Answer:

  • 92.4 ft²

Step-by-step explanation:

Total surface area comprises one rectangular base and two pairs of diferent triangles.

Area of rectangle

  • A = lw

Area of triangle

  • A = 1/2bh

Substitute and find

  • A = 7*4 + 2(1/2*4*6.3) + 2(1/2*7*5.6) = 92.4 ft²

Area of base rectangle

  • 7(4)
  • 28ft²

Area of rest triangles

  • 2(1/2BH)+2(1/2bh)
  • BH+bh
  • 4(6.3)+7(5.6)
  • 64.56ft²

Now

TSA

  • 64.56+28
  • 92.56ft²
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