Question

Tolong banti jawab. pakai caranya

Answer 1

1,5/x = 2,5/3
2,5x = 1,5×3
2,5x = 4,5
x =4,5 : 2,5
x = 1,8
tinggi tiang = 1,8
maaf kalau salah

Answer 2

No 10 c
caranya :
√8 kuadrat + 15 kuadrat = √64 + 225 = √289 = 17