Question

quien sabe la respuesta ​

Answer 1

✨¡Hola! solo resolví dos:

1.-

3x + x + x = 90°

5 x = 90

x = 90/5

x = 18°

2.-

2x + 3x + 40 = 100

5x +40 = 100

5x = 100 + 40

5x = 140°