3 years ago

What is the surface area of the prism A. 812 B. 1,190 C. 2,352 D. 132

Mathematics

1 answer:

seropon [69]3 years ago

4 0

Answer:

B. 1,190 square cm

Step-by-step explanation:

For given prism:

l = 16 cm, w = 7 cm, h = 21 cm

Surface area of of the prism

$= 2 (lw + wh + hl) \\ = 2(16 \times 7 + 7 \times 21 + 21 \times 16) \\ = 2(112 + 147 + 336) \\ = 2 \times 595 \\ = 1190 \: {cm}^{2} \\$

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