Please help me with this question ASAP!! Will actually give Brainliest + lots of points!!

Answer:
Let the required angles be 7x and 11x
According to the above problem,
[tex]7x + 11x + 90 = 180 \\ 18x = 90 \\ \boxed{ x = 5}[/tex]
★1st angle= 7x= 35°
★2nd angle=11x= 55°
★3rd angle is 90°
2. 35°,55°,90° is the right answer.