annie294 annie294
  • 03-12-2018
  • Mathematics
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need help with this math lesson

need help with this math lesson class=

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abiharezvi abiharezvi
  • 03-12-2018

Answer:31


Step-by-step explanation: As you have 180 degress in a triangle all you need to do is add 99 and 50 = 99+50=149. Then you do 180 minus 149 =180-149 = 31. Since you know the total is 180 as there is 180 degress in a triangle add 99 and 50 and 31 = 99+50+31=180


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