Question

tell correct answer it is of 7 th class maths NCERT

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Answer 1

Answer:

x= 70° and y = 40° is the correct answer.

Answer 2

Answer:

y+140=180 (linear pair)

y=40°

x+x+y=180 {angle sum property}

2x+40=180

2x=140

x=70

x=70 y=40