Question

Tolong jawab no 9 dan 10 ya pakai cara

Answer 1

9. 2x + 90 + x = 180
3x = 90
x = 30

sehingga sudut yg bertolak blg (SOP) = 2x = 2 (30) = 60 (B)

10. 6a + 3a = 90
9a = 90
a = 10

UST = 3a = 3 (10) = 30 (A)

semoga membantu! ^^