sherlin73839 sherlin73839
  • 24-07-2021
  • Mathematics
contestada

Someone plz explains this to me

Someone plz explains this to me class=

Respuesta :

anniezhang1211 anniezhang1211
  • 24-07-2021

Answer:

x=19.86

Step-by-step explanation:

use cosine,

cos 19°=x/21

x=cos 19° * 21

x=19.86

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