diketahui segitiga KLM dengan panjang sisi 13cm, 14cm, dan 15 cm Tentukan jenis segitiga KLM
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[tex] {15}^{2} ... {13}^{2} + {14}^{2} \\ 225...169 + 196 \\ 225 < 365 \\ segitiga \: lancip[/tex]