Geometry
posted by Priscilla .
Find the value of each variable and ST if S is between R and T. Draw a picture and solve each.
RS=12, ST=2x, RT=34

can it be rs for the answer or what and this what i need help on this If AB = 6, ST = 8, AC = 12, A = 40°, T = 20°, then find the length of RS. please and thank u.