Jawaban:
C. 140
Penjelasan dengan langkah-langkah:
14y = z
4y + z = 180
4y + 14y = 180
18y = 180
y = 10
z = 14y
= 140 derajat (C)
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Jawaban:
C. 140
Penjelasan dengan langkah-langkah:
14y = z
4y + z = 180
4y + 14y = 180
18y = 180
y = 10
z = 14y
= 140 derajat (C)