Question

please answer 2 nd and 3 rd part

Answer 1

Step-by-step explanation:

ii. 2y +126=180. (linear pair).

2y=180-126=54

y=54/2

=27

3x=2y(opposite angles)

3x=54

x=54/3=18

iii. (x+3)+(x+20)+(x+7)=180

3x+30=180

3x=180/3=60

x=60

x+3=60*3=63

x+20=60+20=80

x+7=60+7=67