niki84
niki84
25-06-2020
Mathematics
contestada
please help...
X=
4
9
16
Respuesta :
sandy00
sandy00
25-06-2020
Answer:
x=16
Step-by-step explanation:
cos60 = 1/2
from figure
cos60 = 8/x
1/2 = 8/x
x= 8 * 2
x=16
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