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Joxixi · Answer 1 · 2019-04-24T22:06:57+0000

Surface Area of the square = 8 x 8 = 64 cm²

Surface Area of the 4 triangle = 4 x [ 1/2 x 8 x 14]
Surface Area of the 4 triangle = 4 x [ 56]
Surface Area of the 4 triangle = 224 cm²

Total Surface Area = 64 + 224 = 288 cm²

Answer: 288 cm²

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