Question

Find the measure of unknown angle​

Answer 1

120 + z = 180 (linear pair)

=> z = 180 - 120

=> z = 60

130 + y = 180 (linear pair)

=> y = 180 - 130

=> y = 50

50 + 60 + x = 180 (Angle sum property of a triangle = 180)

=> 110 + x = 180

=> x = 180 - 110

=> x = 70