Question

In the given figure AB is parallel to CD

Answer 1

Answer:

as AB ll CD

y=40° ( alt interior angles)

z+40°+60°=180° ( linear pair)

z= 80°

x+y+z=180° ( angle sum property)

x+40°+80°=180°

x=60°

Answer 2

Answer:

Angle x will be 60 because it is parallel to line CD

BE is a straight line therefore,

z+40+60 = 180

z+100 = 180

z = 180-100

z = 80

A triangle is of 180° hence,

x+y+z = 180

60+y+80 = 180

140+y = 180

y = 180-140

y = 40

x = 60

y = 40

z = 80

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