Answer:
Question 5.
a) 118°
b) 131°
Step-by-step explanation:
Part a:
I'm sorry I find it tricky to explain this, you would get more confused than you are now.
Part b:
All four interior angles of a quadrilateral are equal to 360° so
75°+ 86°+ 68°+m°= 360°
229° +m° = 360°
m°= 360°-229°
m°= 131°
