Respuesta :

mhanifa

Answer:

  • 56.3°

Step-by-step explanation:

Use tangent function here

  • tan = opposite/adjacent
  • tan ∠R = 27/18
  • tan ∠R = 1.5
  • m∠R = arctan 1.5
  • m∠R = 56.3°
MisterBrainly
  • tanR=Perpendicular/Base
  • tan R=27/18
  • tanR=3/2
  • R=tan^{-1}(3/2)
  • R=56.3°