Here's the answer

April 28, 2020   photos  

First of all, it is a nice drawing Delta connection. The answer should be Delta, because there is no Neutral. In addition to this, we would say Delta because first and end led are different connection. Please see indicates the red looped/linked the motor terminal for Delta connection.also can U1W2=L1, V1U2 = L2, W1V2 = L3. Of course, delta connection because inductor coil terminal phase to phase connected. That's why the correct answer is Delta.