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Help!!! Find the measure of the arc or angle indicated.
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Help!!! Find the measure of the arc or angle indicated.

Help!!! Find the measure of the arc or angle indicated.-example-1
User ThreeCheeseHigh
by
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1 Answer

3 votes

Answer:

  • 77°

Explanation:

  • m∠QDC = 1/2(mQB + mBC)
  • 5x + 17= 1/2( 4x - 6 + 9x + 4)
  • 10x + 34 = 13x - 2
  • 13x - 10x = 34 + 2
  • 3x = 36
  • x = 12

m∠QDC = 5*12 + 17 = 77

User VelNaga
by
7.5k points
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