What is BC if AC= 12, DC= 4 and EC=9

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Tteguayco · Answer 1 · 2019-07-30T05:23:49+0000

the complete question in the attached figure

we know that
Based 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

What is BC if AC= 12, DC= 4 and EC=9-example-1

What is BC if AC= 12, DC= 4 and EC=9

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