Respuesta :

eteni1797

Answer:

16. 108°

17. 40°

18. 50°

19. 18°

20. 60°

clairajohnson3311

Answer:

16. y=108 180-36-36=108

17. w=40. 180-23-117=40

18. x=50. 30+2x+x=180

19. y=18. 4y+y+90=180

20. w=60. w+w+10+50=180

Step-by-step explanation:

all of the angles in a triangle need to add up to 180