Question

6 m 6 m 3 m 6 m 6 m 108 m) 0 144 m 144 m 100 m Other

Answer 1

9514 1404 393

Answer:

  (c)  144 m²

Step-by-step explanation:

The surface area can be calculated from ...

  SA = 2(LW +H(L+W))

  SA = 2((6 m)(6 m) +(3 m)(6 m +6 m))

  = 2(36 m² +(3 m)(12 m)) = 2(36 m² +36 m²) = 2(72 m²)

  SA = 144 m²

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Additional comment

The units of area are square meters (m²). The units of volume are cubic meters (m³).