$D, E$ and $F$ are midpoints of the sides of $\bigtriangleup ABC$

$\angle A$ is $52 ^o$ $\angle B$ is $65 ^o$

$AD = 6 cm$

$BE = 8 cm$

$AC = 16.8 cm$

Find the value of
$\angle DFE$ is deg
$\angle FDE$ is deg
$\angle FED$ is deg
The perimeter of $\bigtriangleup ABC$ is cm
The perimeter of $\bigtriangleup DEF$ is cm