alttes
Answered

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Pls help :( I’m so stuck in this



Pls Help Im So Stuck In This class=

Sagot :

mhanifa

Answer:

  • 99.6 ft²

Step-by-step explanation:

Three faces are equal triangles with:

  • base = 8 units, height = 6 ft

The base is a triangle with:

  • base = 8 ft, height = 6.9 ft

Surface area is sum of areas of 4 faces:

  • S = 3*(1/2*8*6) + 1/2*8*6.9 = 99.6 ft²
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