How to find the value of x of a triangle with all three sides having numbers.

Answer:
20
Step-by-step explanation:
When triangles are similar,
DE/DF=GH/GJ
[tex]\frac{x}{16} =\frac{15}{12} \\\\x=\frac{15*16}{12} \\\\x=20[/tex]
Answer:
x = 24
Step-by-step explanation:
[tex]\frac{16}{x} = \frac{12}{18}[/tex]
[tex]12(x) = 18(16)[/tex]
[tex]12x = 288[/tex]
[tex]x = 24[/tex]