Answer:
1392 cm^2
Explanation:
5 sides: 23*17, 23*17, 23^16, (8*15)/2, (8*15)/2, (8*15)/2, and (8*15)/2
23*17 = 391, 23* 16 = 368, (8*15)/2 = 60
392*2 + 368 + 60*4 = 1392
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