Penjelasan dengan langkah-langkah:
ab = 12 cm
sudut b = 45°
panjang bc
cos 45° = ab/bc
√2/2 = 12/bc
bc√2 = 24
bc = 24/√2
bc = 24/√2 . √2/√2
bc = 24√2/2
bc = 12√2 cm
Jawaban:
C. 12√2 cm
Bisa dilihat dilampiran ya. Semoga membantu !!!
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Penjelasan dengan langkah-langkah:
ab = 12 cm
sudut b = 45°
panjang bc
cos 45° = ab/bc
√2/2 = 12/bc
bc√2 = 24
bc = 24/√2
bc = 24/√2 . √2/√2
bc = 24√2/2
bc = 12√2 cm
Jawaban:
C. 12√2 cm
Penjelasan dengan langkah-langkah:
Bisa dilihat dilampiran ya. Semoga membantu !!!