sherlin73839
sherlin73839
24-07-2021
Mathematics
contestada
Someone plz explains this to me
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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