Question Number 113767 by Khanacademy last updated on 15/Sep/20
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Commented by Khanacademy last updated on 15/Sep/20
$$\left(\boldsymbol{{AB}}//\boldsymbol{{CD}}\right)\:\:\:\:\:\:\:\:\:\:\: \\ $$$$\boldsymbol{{E}}\:\epsilon\boldsymbol{{BC}} \\ $$$$\boldsymbol{{BE}}:\boldsymbol{{EC}}=\mathrm{2}:\mathrm{1} \\ $$$${S}_{\blacktriangle\boldsymbol{{ABCD}}} =\mathrm{48} \\ $$$$\boldsymbol{{AB}}=\mathrm{2} \\ $$$$\boldsymbol{{DC}}=\mathrm{6} \\ $$$$ \\ $$$$\boldsymbol{{S}}_{\blacktriangle\boldsymbol{{AED}}} =? \\ $$