Question

Q9- In thw given figure show that ....all 1 2 and 3 justify

Answer 1

Step-by-step explanation:

Dav class 8 na

i remember my old days

now come to the answer

angle c = 40

and angle b = 40

by corresponding angle rule

AB // CD

angle e =160

angle c =20

now the sum is 180

by interior angle sum rule

CD//EF

NOW AB//CD//EF

HENCE AB//EF