Jawaban:
no. 7 C. 95°
no. 9 D. 60°
Penjelasan dengan langkah-langkah:
no 9.
90° = 2x + x
90° = 3x
90/3 = x
30 = x
COB = 2x
= 60
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Jawaban:
no. 7 C. 95°
no. 9 D. 60°
Penjelasan dengan langkah-langkah:
no 9.
90° = 2x + x
90° = 3x
90/3 = x
30 = x
COB = 2x
= 60