What is the surface area? 18 cm 18 cm 19 cm

asked Oct 11, 2020 134k views

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What is the surface area?
18 cm
18 cm
19 cm

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4 votes

Answer:

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

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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