0,0
Step-by-step explanation:
0,0 on a graph would represent the origin.
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
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just for that im not answering