ellyzappers
ellyzappers ellyzappers
  • 21-12-2020
  • Mathematics
contestada

i need help with pre-cal, please!​

i need help with precal please class=

Respuesta :

jimrgrant1 jimrgrant1
  • 21-12-2020

Answer:

b ≈ 4.2

Step-by-step explanation:

Using the tangent ratio in the right triangle, that is

tan50° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{BC}{AC}[/tex] = [tex]\frac{5}{b}[/tex] ( multiply both sides by b )

b × tan50° = 5 ( divide both sides by tan50° )

b = [tex]\frac{5}{tan50}[/tex] ≈ 4.2 ( to the nearest tenth )

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