Segitiga KLM di samping siku-siku di L dan ∠KML=30° serta panjang KM=16 cm. Tentukan keliling ∆KLM
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Penjelasan dengan langkah-langkah:
segitiga istimewa 30 60 90
sudut 1;√3;2
KL = 16/2 = 8
LM = 8√3