Question

plz answer all the parts​

Answer 1

Answer:(a)

$129^o + x=180^o\\=>x=51^o$

(b)

$138^o+x=180^o\\=>x=42^o$

(c)

$56^o+x=180^o\\=>x=124^o$

(d)

$63^o+x=180^o\\=>x=117^o$

Step-by-step explanation:

All of them are co interior angles

Answer 2

a.x=51°

b.x=42°

c.x=124°

d.x=117°