Question

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Answer 1

Answer:

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Answer 2

Answer: a.   x+115=180(linear pair)

                    x=180-115

                    x=65

              x+y+40=180(angle sum property)

             65+y+40=180

                   105+y=180

                         y=180-105

                         y=75

c.         y=20(vertically opposite angles)

           x+ 20+90=180(angle sum property)

                x+110=180

                  x=180-110

                  x=70

          as angle T does not have name it can be=z

y+z+90=180(angle sum property)

20+z+90=180

110+z=180

z=180-110

z=70