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- luas bidang 1 = 4×8 = 32 cm2
- luas bidang 2 = 4×17 = 68 cm2
- luas bidang 3 = 13×9 = 117 cm2
Total luas = 32+68+117 = 217 cm2
Keliling
4 + 8 + 13 + 4 + 8 + 13 + 9 + 25 = 84 cm