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what is the minimum amount of shrink wrap she will need?

What Is The Minimum Amount Of Shrink Wrap She Will Need class=

Sagot :

we know that

To find out the minimum amount of shrink, you need to calculate the surface area

The surface area of the figure is equal to the area of its two triangular faces and its three rectangular faces

so

SA=2[(1/2)(4)(2.2)]+(3)(4)+(2.2)(3)+(3)(4.6)

SA=8.8+12+6.6+13.8

SA=41.2 in^2

answer is option C

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