What is the surface area?18 cm18 cm19 cm
1 answer:
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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