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AD=20, BC=2, AB= x 12,
and CD=x+ 12. Find x.

Answer :

Solution:

  • Here, the whole line segment is AD.
  • So, AB + BC + CD = AD.
  • Given, AD = 20
  • BC = 2
  • AB = 12x
  • CD = x + 12
  • Therefore,

AB + BC + CD = AD

or, 12x + 2 + x + 12 = 20

or, 13x + 14 = 20

or, 13x = 20-14

or, 13x = 6

or, x = 6/13

  • So, x = 6/13

Answer:

x = 6/13

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