In ΔABE, D and C are the points on sides AE and EB, respectively, such that DC ll AB. If AD = 4 cm, BC = 5 cm, DC = 10 cm and AB = 15 cm, then the sum of the lengths of DE and EC.

In ΔABE, D and C are the points on sides AE and EB, respectively, suc

1.	In ΔABE, D and C are the points on sides AE and EB, respectively, such that DC ll AB. If AD = 4 cm, BC = 5 cm, DC = 10 cm and AB = 15 cm, then the sum of the lengths of DE and EC.
A.	20 cm
B.	15 cm
C.	21 cm
D.	18 cm
Answer» E.

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In ΔABE, D and C are the points on sides AE and EB, respectively, such that DC ll AB. If AD = 4 cm, BC = 5 cm, DC = 10 cm and AB = 15 cm, then the sum of the lengths of DE and EC.

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