A e8

1.	A e8
Answer» In the figure , ∠ABC = 65°∠BCD = 32° + 33° = 65° ∴ ∠ABC = ∠BCD [Alternate Interior angles ]∴ AB \|\| CD ................................ (1) ∠ CEF = 148°∠ DCE = 32°∠ CEF + ∠ DCE = 180°148° + 32° = 180° [ Interior angles on the same side of the transversal ] ∴ CD \|\| EF ........................................(2) From (1) and (2) , AB \|\| EF thanks

Answer»

In the figure , ∠ABC = 65°∠BCD = 32° + 33° = 65°

∴ ∠ABC = ∠BCD [Alternate Interior angles ]∴ AB || CD ................................ (1)

∠ CEF = 148°∠ DCE = 32°∠ CEF + ∠ DCE = 180°148° + 32° = 180° [ Interior angles on the same side of the transversal ]

∴ CD || EF ........................................(2)

From (1) and (2) ,

AB || EF

thanks

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