If in ΔABC, DE || BC, AB = 7.5 cm BD = 6 cm and DE = 2 cm then the length of BC in cm is:
A. 6 cm
B. 8 cm
C. 10 cm
D. 10.5 cm
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & \vartriangle ADE \simeq \vartriangle ABC \cr & \frac{{AD}}{{AB}} = \frac{{DE}}{{BC}} \cr & \frac{{1.5}}{{7.5}} = \frac{2}{{BC}} \cr & BC = 10\,{\text{cm}} \cr} $$
This Question Belongs to Arithmetic Ability >> Triangles
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