Respuesta :

Answer:

B

I

Step-by-step explanation:

A triangle's angles must add up to 180

68+90+x=180

158+x=180

22=x

3 and 2 must add up to 180

70+x=180

angle 2= 110

angle 2 and angle 1 have to add up to 180 as well

110+x=180

andgle 1= 70

Answer:

B

I

Step-by-step explanation:

A triangle's angles must add up to 180

68+90+x=180

158+x=180

22=x

3 and 2 must add up to 180

70+x=180

angle 2= 110

angle 2 and angle 1 have to add up to 180 as well

110+x=180

andgle 1= 70