Answer:
17%
Step-by-step explanation:
You would add 12 plus 5 and it would give you 17%. The total percentage that was decreased.
17% ?
that seems like the most logical answer
120°
angle T + 60°=180° [:. being linear pair ]
or , angle T = 180°-60°
or,angle T = 120°
sorry I don’t have a notebook on me right now , hope I could help