Question

Find the value of x,y and z

Answer 1

Answer:

consider triangle ABC

x + y + 90 = 180

x + y = 180 - 90

       = 90...............................1

x + 80 + 2x / 3 = 180

x + 2x / 3 = 180 - 80

5x / 3 = 100

5x = 300

x = 300 / 5

  = 60 ( answer )

substitute in equation 1

x + y = 90

60 + y = 90

y = 90 - 60

  = 30 ( answer )

z + 2x / 3 = 180

z + 2 * 60 / 3 = 180

z + 40 = 180

z = 180 - 40

  = 140 ( answer )

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