Mathematics

Problem

\triangle ABC

D

and

E

are the midpoints of

AB

and

AC

respectively, and

F

is the midpoint of

DE

. What is the ratio of the area of

\triangle ADF

to the area of

\triangle ABC

? a)

\dfrac{1}{6}

\dfrac{1}{16}

\dfrac{1}{8}

\dfrac{1}{4}