9. What is the value of x and the measure of each side of equilateral triangle RST.
a. x=9 sides: RS= 18, RT =18, ST =18 b. x=3 sides: RS= 12, RT=12, ST = 12 x+9 2x c. x=6 sides: RS= 15, RT =12, ST = 9 d. x=15 sides: RS= 24, RT =30, ST = 26
10. AABC = ADEF, which segment is congruent to AB?
