nassiyasears81 nassiyasears81
  • 11-04-2021
  • Mathematics
contestada

Can someone pls help me

Can someone pls help me class=

Respuesta :

lainijustus91
lainijustus91 lainijustus91
  • 11-04-2021

Answer:

I rhink the answer would be 273°

Step-by-step explanation:

57+180=237°

Answer Link
jimrgrant1 jimrgrant1
  • 11-04-2021

Answer:

∠ BAC = 28.5°

Step-by-step explanation:

∠ AOB = 180° - 57° = 123° ( straight angle )

OA and OB are congruent ( radii of the circle ) , then Δ AOB is isosceles with base angles congruent, that is

∠ BAC = ∠ ABO , then

∠ BAC = [tex]\frac{180-123}{2}[/tex] = [tex]\frac{57}{2}[/tex] = 28.5°

Answer Link

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