Tolong di jawab ya... Yg baik hati:') besok mau di kumpulin

40/x = 60/12
X = 12(40)/60
X= 8m

M = 40m
BM = 60m
T = x
BT = 12m

60/12 = 40/x
5 = 40/x
5x = 40
x = 40/5
x = 8m

Maaf kalau salah