use pythagoras:
c^2 = (27)^2 - (13)^2
c^2 = 560
c = 23.6643....cm
Answer:
its 34
Step-by-step explanation:
its half of the center angles
CD= 2x-1
AD = 6x-4
AC = 4x - 3
CD= AD- AC
CD= 6x-4 - (4x - 3)
CD= 6x - 4 - 4x +3
CD= 2x -1
Therefore, the value of CD= 2x-1