Answer:
CD = 9
Step-by-step explanation:
ΔADE is similar to ΔBCD
<u><em>Such that:</em></u>
AD is similar to CD
BD is similar to ED
AE is similar to BC
<u><em>Taking the proportion of their sides to find the unknown sides CD</em></u>
=>
<em>Cross Multiplying</em>
=> 2(CD) = 3*6
=> CD = 18/2
=> CD = 9