Jawab:
Segitiga
Aturan cosinus
a² = b² + c² - 2bc cos A
Penjelasan dengan langkah-langkah:
dilampiran
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Verified answer
Jawab:
Segitiga
Aturan cosinus
a² = b² + c² - 2bc cos A
Penjelasan dengan langkah-langkah:
dilampiran