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In the given figure, CD || LA and DE || AC. Find the length of CL if BE = 4 cm and EC = 2 cm.?
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From the given figure, CD∥LA and DE∥AC,
Consider the △BCA,
BE/BC=BD/BA
By using the corollary of basic proportionality theorem,
BE/(BE+EC)=BD/AB
4/(4+2)=BD/AB … [equation (i)]
Then, consider the △BLA
BC/BL=BD/AB
By using the corollary of basic proportionality theorem,
6/(6+CL)=BD/AB … [equation (ii)]
Now, combining the equation (i) and equation (ii), we get
6/(6+CL)=4/6
By cross multiplication we get,
6×6=4×(6+CL)
24+4CL=36
4CL=36−24
CL=12/4
CL=3cm
Therefore, the length of CL is 3cm.
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