Which congruence is used in triangulation?

angle-angle-side
side-angle-side
side-side-side
angle-side-angle

Can someone check my answer? you : )

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?