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msumner

All pairs of vertical angles are equal. True False

  • one year ago
  • one year ago

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  1. e.cociuba
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    true

    • one year ago
  2. msumner
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    thanks

    • one year ago
  3. e.cociuba
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    yupp

    • one year ago
  4. soty2013
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    @e.cociuba True but how ?

    • one year ago
  5. e.cociuba
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    cause its the properties of a verticle angles:)

    • one year ago
  6. e.cociuba
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    Thxs for the medal:)

    • one year ago
  7. jim_thompson5910
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    |dw:1359687246158:dw| x and y are a linear pair, so they are supplementary so x+y = 180 y and z are a linear pair, so they are supplementary so y+z = 180 or z+y = 180 we now have x+y = 180 z+y = 180 Both equal 180, so by substitution, we can say x+y = z+y and if we subtract y from both sides using the subtraction property of equality, we get x = z which proves that vertical angles x and z are congruent

    • one year ago
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