Question

A
8. In the figure the points D and E divide the side AB & AC in the ratio 1:3. If DE = 2.4cm then the
length of BC is
(A) 4.8cm
(B) 7.2cm
(C) 9.6cm
(D) 12.0cm
​

Answer 1

Answer:

option (a)

Step-by-step explanation:

by mid point therome 2DE=BC

Answer 2

Step-by-step explanation:

we know,

AD/DB = AE/EC = DE/BC

we know that DE = 1/2BC

BC=12.0