In ΔABC, D and E are points on AB and AC respectively such that DE is parallel to BC. If AD = 1 cm, DB = 3 cm, then ar(ΔADE) : ar(ΔABC) is:

In ΔABC, D and E are points on AB and AC respectively such that DE is

1.	In ΔABC, D and E are points on AB and AC respectively such that DE is parallel to BC. If AD = 1 cm, DB = 3 cm, then ar(ΔADE) : ar(ΔABC) is:
A.	1 : 16
B.	1 : 3
C.	1 : 9
D.	1 : 4
Answer» B. 1 : 3

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In ΔABC, D and E are points on AB and AC respectively such that DE is parallel to BC. If AD = 1 cm, DB = 3 cm, then ar(ΔADE) : ar(ΔABC) is:

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