ZamariaM7388
ZamariaM7388
21-04-2018
Mathematics
contestada
What is BC if AC= 12, DC= 4 and EC=9
Respuesta :
calculista
calculista
01-05-2018
the complete question in the attached figure
we know that
B
ased on the secant theorem
AC*BC=EC*DC
so
BC=[EC*DC]/AC
AC=12
DC=4
EC=9
BC=[9*4]/12------> BC=36/12------> BC=3
the answer is
BC=3
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