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(PLEASE GIVE EXPLANATION) The dimensions of a rectangular prisms are given in the net shown.

What is the TOTAL SURFACE AREA of the rectangular prism in square inches?

PLEASE GIVE EXPLANATION The Dimensions Of A Rectangular Prisms Are Given In The Net Shown What Is The TOTAL SURFACE AREA Of The Rectangular Prism In Square Inch class=

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Answer:

142 in²

Step-by-step explanation:

We want to find the area of all the rectangles and add them up.

For the 2 small rectangles on the side, the area is 15 in for each of them because 5x3. The 2 thinner rectangles each have an area of 21 in because 7x3. The 2 largest rectangles each have an area of 35 in because 5x7.

Now we can add it all up.

15+15+21+21+35+35=30+42+70=142

Answer:

142

Step-by-step explanation:

You would find the sum of all the areas of all the rectangles.

30+42+70=142

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