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3 years ago

Find the total surface area of this triangular prism. 30 cm 18 cm 7 cm 24 cm

Mathematics

1 answer:

Effectus [21]3 years ago

4 0

Answer:

588 cm²

Step-by-step explanation:

24 × 7 + 30 × 7 + 2(24 × 18) + 18 × 7 = 7(24 + 30 + 18) + 2 × 42 = 7 × 72 + 84 = 504 + 84 = 588 cm²

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