harleycuster27 harleycuster27

07-12-2018
Mathematics

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a ll b ll c. How long is BC? ____ in ?

a ll b ll c How long is BC in class=

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remotecontrolbrain remotecontrolbrain

07-12-2018

Answer:

7 inches

Step-by-step explanation:

Use proportionality:

[tex]\frac{AB}{DE}=\frac{BC}{EF}\\\frac{4}{2}=\frac{BC}{3.5}\\BC = 7\,\,in[/tex]

BC length is 7 in.

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