In Figure (i) and (ii), DE||BC. Find EC...

In Figure (i) and (ii), DE||BC. Find EC in (i) and AD in (ii).

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(i) By basic proportionality theorem,
`(AD)/(DB) = (AE)/(EC)`
Putting the values,
`1.5/3 = 1/(EC)`
`1.5xxEC = 1xx3`
`EC = (1xx3)/1.5`
`EC = 2 cm`
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