Penjelasan dengan langkah-langkah:
[tex] {bc}^{2} = {5}^{2} + {12}^{2} \\ {bc}^{2} = 25 + 144 \\ {bc }^{2} = 169 \\ bc = \sqrt{169 \\ } \\ bc = 13 \: cm[/tex]
keliling segitiga ABC
[tex]ab + bc + ac = 16 + 13 + 20 \\ = 49 \: cm[/tex]
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Penjelasan dengan langkah-langkah:
[tex] {bc}^{2} = {5}^{2} + {12}^{2} \\ {bc}^{2} = 25 + 144 \\ {bc }^{2} = 169 \\ bc = \sqrt{169 \\ } \\ bc = 13 \: cm[/tex]
keliling segitiga ABC
[tex]ab + bc + ac = 16 + 13 + 20 \\ = 49 \: cm[/tex]