Jawaban:
106°
Penjelasan dengan langkah-langkah:
180° = 5a + 4 + 7a + 8
180 - 4 - 8 = 5a + 7a
168 = 12a
168/12 = a
14 = a
<CBD = 7a + 8
= 7(14) + 8
= 106°
semoga membantu (•‿•)
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Jawaban:
106°
Penjelasan dengan langkah-langkah:
180° = 5a + 4 + 7a + 8
180 - 4 - 8 = 5a + 7a
168 = 12a
168/12 = a
14 = a
<CBD = 7a + 8
= 7(14) + 8
= 106°
semoga membantu (•‿•)