Answer:
x= -16/13 y= -41/13 I think
Step-by-step explanation:
ans is 16°,40°and64°
let ratio be 2x,5xand 8x
their sum=120°
2x+5x+8x=120
15x=120
x=120/15=8°
2x=2×8=16°
5x=5×8=40°
8x=8×8=64°
