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Find the surface area of each prism

Find the surface area of each prism-example-1
User Primit
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2 votes

Answer:

978 in

Explanation:

(15 x 8) ÷ 2 = 60

60 x 2 = 180

15 x 21 = 315

315 x 2 = 630

8 x 21 = 168

180 + 630 + 168 = 978

User Krdx
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