Question

Please solve it correctly.

Thank you​

Answer 1

Step-by-step explanation:

AB || CD

So, angle ABC= angle DCB (alternate interior angles)

=> 75°= y + 25°

=> y= 75°-25°

=> y= 50° - - - - - - - - (1)

Also, EF || CD

So, angle EFC +angle DCF= 180° ( interior angles on the same side of the transversal are supplementary)

=> x+25°= 180°

=> x= 180°-25°

=> x= 155° - - - - - - - (2)

From (1) and (2),

x+y = 155°+50°

=> x+y = 205°

x + y = 205°

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