Answer:
r=kp/s×t
18=12k/6×2
18=12k/12
k=18
r=18p/s×t
Step-by-step explanation:
X+100=180(linear pair)
X=180-100
X=80
30+y+x=180(sum of angle of triangle)
Y=180-110
Y=70
433-145=288
288/36=8
answer=8