Answer:
RS=188
Step-by-step explanation:
since it is an equilateral triangle the sides are all congruent to each other
therefore:
18x-10=14x+34
18x-14x=34+10
4x=44
x=11
Choose any of the two sides and substitute x for 11 (they will give the same result for reasons stated earlier)
18(11)-10
= 188
