In a trapezium ABCD AB||CD,
<A measures 65°, then <D measures :
75
65°
115
30

115

Step-by-step explanation:

we need to make the second angle just enough to equal 180, and 65+115=180.

Practice makes perfect, you should practice your speaking outline again and again to ensure perfect delivery. Giving speech in front of the crowd usually comes with being able to deliver without stuttering and giving away boring speech even if you're trying hard to please the crowd. Relax and be yourself when talking in a crowd, practice more until you perfect your speech.