zaris6 zaris6
  • 22-07-2018
  • Mathematics
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I’m confused on this one

Im confused on this one class=
Relax

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mathstudent55
mathstudent55 mathstudent55
  • 22-07-2018

You can prove the triangles congruent by SAS, so by CPCTC, sides FB and FA are congruent.


4x + 12 = 2x + 48


2x = 36


x = 18


FB = 2x + 48


FB = 2(18) + 48


FB = 36 + 48


FB = 84

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