1.

AB||CD,then find the value of Y​

Answer»

Answer:

85°

Step-by-step explanation:

CONSTRUCTION : Through O draw OE || AB || CD

Now y, = ANGLE FOG

= angle FOF + angle GOE

= angle CFO + angle AGO

angle FOE = angle CFO ( Alternate interior angles )

angle GOE = angle AGO ( Alternate interior angles )

= 45° + 40°

y = 85°

Hope it HELPS U



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