Answer:
Step-by-step explanation:
119°
if sum of two angles=180,then they are supplementary.
61+x=180
x=180-61=119
x=3
y=5
3×3=9
5×5=25
9+25=34
[3^2+5^2=34]
3^2=9
2×5=10
9+10=19
[3^2+2×5=19]