Question

Answer this questions​

Answer 1

Answer:

A = 30

Step-by-step explanation:

as angle 6 is equal to angle 8 by vertically opposite angles.

and angle 8 is equal to angle 4 by corresponding angles .

and angle 1 + angle 4 = 180°

now substitute the given values

2a+8+(4a-8)=180°

2a+8+4a-8=180°

6a+8-8=180°

6a=180°

a=180°/6

a=30

Answer 2

Answer:

a=30

Step-by-step explanation:

L1 = L5 ( Corresponding angles )

L5 = ( 2a+8 )°

L5 + L6 = 180 ( Angles in linear pair )

(2a+8)°+ (4a-8)° = 180

= (2a+4a)+(8-8)=180

6a=180

a= 180/6

a= 30