ilksm6 ilksm6
  • 13-03-2018
  • Mathematics
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I don’t understand this

I dont understand this class=

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david01072011p5i4fq
david01072011p5i4fq david01072011p5i4fq
  • 13-03-2018
a.) They are similar because of the Angle-Angle Similarity Postulate. Angle PJL and Angle NJM are vertical angles. Angle MNJ and Angle PLJ are alternate interior angles. Therefore, they are similar.
b.) Use proportions. 14/6=x/18. Solve for x to get x=42.
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