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EDULASTIC full explanation please
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10 votes
EDULASTIC
full explanation please

EDULASTIC full explanation please-example-1
User Phani Rahul
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2 Answers

12 votes

Supplementary angles have sum 180°

  • 2x-24+5x-27=180
  • 7x-51=180
  • 7x=231
  • x=33

<B

  • 5(33)-27
  • 138°
User List
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8.7k points
4 votes

Answer:

  • 138°

Explanation:

Sum of supplementary angles is 180°

  • m∠A + m∠B = 180°

Find the value of x

  • 2x - 24° + 5x - 27° = 180°
  • 7x - 51° = 180°
  • 7x = 180° + 51°
  • 7x = 231°
  • x = 231°/7
  • x = 33°

Find the measure of ∠B

  • m∠B = 5*33° - 27° = 138°
User Levelnis
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