Question

In the given figure L||M, then find a and b.​

Answer 1

Answer:

∠a = 30°

∠b = 130°

Step-by-step explanation:

∠ b=180- 50 ( linear pair.)

=130°

180-(3a+18)=2a+12

180-3a-18=2a+12

180-18-12=2a+3a

150=5a

150/5=a

30°=a