Respuesta :

thebecks

Answer:

(c)   3 x sq rt of 3

Step-by-step explanation:

cos 60 = x/6 x sq rt of 3

.5 = x/6 x sq rt of 3

x=.5 x 6 x sq rt of 3

x=3 x sq rt of 3

(Sorry, I can't type in a square root symbol.)