Respuesta :

umeshdhungel08

Step-by-step explanation:

question number last or what

mhanifa

Answer:

15.......................

  • Consecutive interior angles

16........................

  • Corresponding angles

17........................

  • Alternate interior angles

18........................

  • Vertical angles

19........................

  • m∠2 + m∠3 = 180
  • 8x - 20 + 5x + 5 = 180 ⇒ 13x = 195 ⇒ x = 15
  • m∠2 = 8*15 - 20 = 100°
  • m∠3 = 5*15 + 5 = 80°

20........................

  • m∠1 = m∠7 = m∠3 = m∠5 = 80°
  • m∠2 = m∠8 = m∠4 = m∠6 = 100°

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