Question

In figure, in triangle ABC, DE || BC, AD=1 cm AE = 2 cm and EC = 6 cm. Find the
length of DB
a) 2.cm
b) 4 cm
c) 3 cm
d) 6 cm​

Answer 1

Answer:

C

Options

Have a nice day

Answer 2

Answer:

$DB=3 \: cm$

Step by step explanation:

$In \: ΔABC, \\ DE||BC \\ \frac{AD}{DB} = \frac{AE}{EC} (BPT \: theorem) \\ \frac{1}{DB} = \frac{2}{6} \\ \frac{1}{DB} = \frac{1}{3} \\ DB = 3 \: cm$