Step-by-step explanation:
Sin30=LJ/8square roof of 2
LJ=Sin30×8square roof of 2
so substitute LJ in the other triangle
Sin45=x/LJ
x=LJ×sin45
just replace LJ by Sin30×8square roof of 2
Answer:
4
8 times square root of 2 = 11.31. 11.31 / 2 = 5.655. 5.655 divided by 1.414 = 4, so x = 4
