Answer:
the first two reason are given then the last one is cpctc
Supplementary angles add up to 180°
Angle y is the large angle: y= 5x+6
180= x+y
180= (5x+6) + x
180=6x+6
174=6x
x=29
180= y+29
y=151°
Answer:
9
Step-by-step explanation:
first add 3 and 5 =8
then add 1/2 and 1/2 =1
8+1 =9