Answer: 108 cm. (Squared)
Explanation:
Top/Bottom: 7 x 3 = 21 / 2 = 10.5 x 2 = 21
Small Side: 3 x 5 = 15
Medium/Back Side: 5 x 7 = 35
Large Side: 7.6 x 5 = 38
21 + 15 + 35 + 38 = 108
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