Jawaban:
C. 40°
Penjelasan dengan langkah-langkah:
100° ÷ 4 = x
x = 20°
a = 2x
2x = a
2(20) = a
a = 40°
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Jawaban:
C. 40°
Penjelasan dengan langkah-langkah:
100° ÷ 4 = x
x = 20°
a = 2x
2x = a
2(20) = a
a = 40°