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kap26 [50]
3 years ago
9

What is the surface area of the prism WILL MARK BRAINLEST WORTH 69 POINTS

Mathematics
1 answer:
marshall27 [118]3 years ago
6 0

Answer:

Surface area of the rectangular prism = 234\,mm^2

Step-by-step explanation:

The surface area of the rectangular prism is:

=2((Length\times Width)+(Width\times Height)+ (Height\times Length))

Length=15\,mm\\ \\Width=3\,mm\\\\Height=4\,mm

Area is:

   =2((15\times 3)+(3\times 4)+ (4\times 15))\\\\=2(45+12+60)\\\\=2(117)\\\\=234\,mm^2

Surface area of the rectangular prism is: 234\,mm^2

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