Question

In the given figure, show that AB||EF ​

Answer 1

Step-by-step explanation:

AngleCEF + AngleECD = 140° + 40° = 180°

Hence, they are co-interior angles,

So, CD || EF

Also, AngleABC = 75°=Angle DCB = 30°+45°

Hence, They are alternate angles,

AB || CD

Therefore, AB || CD || EF

Answer 2

Step-by-step explanation:

this is the answer of question above