If a 4 sided figure has 360°...for each side we add, we add 180°.
you have a 7 sided figure (360° + 3(180°) = 900°)
adding up your angles (781) and subtract it from 900 =
x = 119°
Answer:
z= 104
y=76
x=76
Step-by-step explanation:
z+76= 180. solve for z
z=x
y=76
M2=5x+10
.................
Step-by-step explanation:

Answer:

Step-by-step explanation:

Switch sides:

Add/Subtract the numbers: 

Hope I helped, if so may I get brainliest and a thanks?
Thank you, have a good day! =)