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point O is the inventer of triangle ABC. what is the measure of <QBO?​

Point O Is The Inventer Of Triangle ABC What Is The Measure Of LtQBO class=

Sagot :

mhanifa

Answer:

  • 12°

Step-by-step explanation:

AO is the angle bisector of the angle BAC

  • m∠BAO = m∠CAO
  • 2x + 6 = 4x - 12
  • 4x - 2x = 6 + 12
  • 2x = 18
  • x = 9

Substitute the value of x:

  • m∠QBO = 3x - 15°
  • m∠QBO = 3*9° - 15° = 27° - 15° = 12°
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