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OpenStudy (anonymous):
In the figure, AD and BC meet at E. If CE:EB=3:1, then area of △ABD:area of △CDE=??
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OpenStudy (anonymous):
|dw:1418029128707:dw| @dan815
OpenStudy (dan815):
i think the key is to notice the partly common angles and sides
OpenStudy (dan815):
they need to give u more info like parallel lines
OpenStudy (dan815):
|dw:1418030018961:dw|
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