The golden ratio or golden mean is represented as (1 + √5) : 2.
what is its decimal value to the nearest thousandth? (hint: use a calculator to evaluate (1+√5) divided by 2.)

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

i think da answer is

d.square root of 3