anibal2008 anibal2008
  • 08-06-2021
  • Mathematics
contestada

URGENT HELP! SOLVE FOR A
answer choices : 24.6
27.8
18.7
44.2

URGENT HELP SOLVE FOR A answer choices 246 278 187 442 class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 12-06-2021

9514 1404 393

Answer:

  (b)  27.8

Step-by-step explanation:

The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

  cos(22°) = a/30

  a = 30×cos(22°) ≈ 27.8

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