Persegi panjang
[tex]2(p + l) = K \\ 2(p + l) = 336 \\ p + l = 168 \\ p - l = \: \: 24 \\ ..................... - \\ \: \: \: \: \: \: \: 2l = 144 \\ l = \frac{144}{2} = 72 \\ \\ p + l = 168 \\ \: \: \: \: \: \: \: \: \: l = \: \: 72 \\ ....................... - \\ p \: \: \: \: \: \: \: \: = \: \: 96 \\ \\ d. \: 96 \: cm \times 72 \: cm[/tex]
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Persegi panjang
[tex]2(p + l) = K \\ 2(p + l) = 336 \\ p + l = 168 \\ p - l = \: \: 24 \\ ..................... - \\ \: \: \: \: \: \: \: 2l = 144 \\ l = \frac{144}{2} = 72 \\ \\ p + l = 168 \\ \: \: \: \: \: \: \: \: \: l = \: \: 72 \\ ....................... - \\ p \: \: \: \: \: \: \: \: = \: \: 96 \\ \\ d. \: 96 \: cm \times 72 \: cm[/tex]