[tex]k = kotak \\ b = bunga \\ m = meja \\ \\ 4k = 180 - 130 \\ k = \frac{50}{4} = 12,5 \\ \\ m = b + 2k \\ m - b = 2(12,5) \\ m - b = 25 \\ \\ m + b = 180 \\ m - b = \: \: 25 \\ ..................... - \\ \: \: \: \: \: \: \: \: 2b = 155 \\ b = \frac{155}{2} = 77,5 \\ \\ m - b = 25 \\ m - 77,5 = 25 \\ m = 25 + 77,5 \\ m = 102,5 \\ \\ meja = 102,5 \: cm \\ bunga = 77,5 \: cm \\ kotak = 12,5 \: cm[/tex]
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[tex]k = kotak \\ b = bunga \\ m = meja \\ \\ 4k = 180 - 130 \\ k = \frac{50}{4} = 12,5 \\ \\ m = b + 2k \\ m - b = 2(12,5) \\ m - b = 25 \\ \\ m + b = 180 \\ m - b = \: \: 25 \\ ..................... - \\ \: \: \: \: \: \: \: \: 2b = 155 \\ b = \frac{155}{2} = 77,5 \\ \\ m - b = 25 \\ m - 77,5 = 25 \\ m = 25 + 77,5 \\ m = 102,5 \\ \\ meja = 102,5 \: cm \\ bunga = 77,5 \: cm \\ kotak = 12,5 \: cm[/tex]