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C.E.R.
INSTRUCTIONS:
Given that AD II FJ. Use the diagram of a staircase railing to find the value of n. (Think parallel lines cut by a transversal)

then, What is your EVIDENCE? Show all of your work here.

LASTLY, Reasoning-Explain your work, tell me in words why you did the math this way.
CAN SOMEBODY PLZ HELP

CER INSTRUCTIONS Given that AD II FJ Use the diagram of a staircase railing to find the value of n Think parallel lines cut by a transversal then What is your class=

Respuesta :

mhanifa

Answer:

  • n = 35

Step-by-step explanation:

AD║FJ and CH is transversal

∡BCH and ∡CHJ are alternate interior angles

  • m∡BCH = m∡BCG + m∡GCH = 82° + 30° = 112°

Alternate interior angles are congruent:

  • m∡BCH = m∡CHJ
  • 3n + 7 = 112
  • 3n = 105
  • n=105/3
  • n = 35

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