Answer:
AB=18
CD=16
BD=36
Step-by-step explanation:
To get AB
Subtract the total leanth of 54 with 36
To get CD Subtract 36 from BC or 20
CD= 16
To get BD its 36 cuz that's what it shows
CD=18
To get AB you subtract 36 from 36
CD is the same lenght as AB
And BD is already measured
