In a Î” ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

In a Î” ABC, DE || BC. D and E lie on AB and AC respectively. If AB

1.	In a Î” ABC, DE \|\| BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE
A.	0.084722222222222
B.	0.12638888888889
C.	3.5:2
D.	0.29305555555556
Answer» D. 0.29305555555556