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Hey mate
Angle XYB will be 40 degrees
angle YBC plus angleXBY will equal 70 degrees
then 140 degrees will equal angle B plus angle A as they it is an external angle
Hope u are satisfied
Angle XYB will be 40 degrees
angle YBC plus angleXBY will equal 70 degrees
then 140 degrees will equal angle B plus angle A as they it is an external angle
Hope u are satisfied
Answered by
0
because my is parallel to be there for angle x + 40 ,= 70 so x = 30 and y = 40 alternate angle
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