Question

find the value of a if lines l and m are parallel

please dont spam​

Answer 1

Answer:

ans=36.

Step-by-step explanation:

(3a+6)+(2a-6)=180°

3a+6+2a-6=180

5a=180

a=180/5

a=36.

Answer 2

Answer:

a=18°

Step-by-step explanation:

2a-6+3a+6=90{ from the figure}

;5a=90

;a=90/5

;a=18.