maureenpatricio0131 maureenpatricio0131
  • 26-02-2021
  • Mathematics
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siya90258
siya90258 siya90258
  • 26-02-2021

Answer:

72°+90°+x=180°(by angle sum property 180°)

162°+x=180°

x=180°-162°

x=18°

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