Question

. In the given figure, if the AB ‖ CD ‖ EF then find the value of +.

Answer 1

Explanation:

value of x=130°

I hope it's correct...

Or it may be probably 130°

Answer 2

Answer:

y= 40° and x= 142°

Explanation:

as 78°= 38°+y. ( alternative angle)

=> 78°-38°=y

=> y= 40°

also, 38°+ x° =180°. (as they fall between parallel and sum angle between parallel is 180°)

=> 38°+x= 180

=>x= 180-38=> 142°

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