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Sudut 1 = 2x
Sudut 2 = 3x
Sudut 3 = 5x
2x + 3x + 5x = 180
10x = 180
x = 18
Sudut 1 = 2x
= 2(18)
= 36°
Sudut 2 = 3x
= 3(18)
= 54°
Sudut 3 = 5x
= 5(18)
= 90°
2 = 3/10 × 180 = 54 drajat
3 = 5/10 × 180 = 90 drajat
**maaf kalau salah