Question

plz answer this urgently

Answer 1

3x + 10 = 60° + 40°
3x + 10 = 100°
3x = 90°
x = 30°

Answer 2

draw a line parallel to AB and CD. name it EF
40+ angle from by AE = 180( interior angle on same side of transversal)

Angle =140

now from downside
angle formed AE is 120
180-60

therefore they together form 140+120=260
3x+10+260=360( angle from a point)

3x+10=100
3x=90
x=30

hope it helps