Question

please help me by telling this question​

Answer 1

Answer:

you have to use this a+b+c=180

in b 70+50-180

Answer 2

Sure

Figure 1-

135+x=180(linear pair)

= x=180-135

=x= 45°

Figure 2-

70+50+x=180(linear pair)

= 120+x=180

= x=180-120

= x= 60