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30 April, 23:16

What is the surface area?

18 cm

18 cm

19 cm

+1
Answers (1)
  1. 30 April, 23:38
    0
    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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