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adell [148]
3 years ago
5

What is the surface area?18 cm18 cm19 cm​

Mathematics
1 answer:
wariber [46]3 years ago
3 0

Answer:

If it is a rectangular prism (this formula only works with that 3d shape, the answer is 2016 cm²

Step-by-step explanation:

SA=2(hl+hw+lw)

SA=2(18×19+18×18+18×19)

Sa=2(342+324+342)

sa=2(1008)

sa=2016 cm²

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