AD and BD are tangent to circle C

$\angle C$ is $120 ^o$

$AC = 8 cm$

Find the value of
$\angle CAD$ is $^o$
$\angle CBD$ is $^o$
$\angle ADB$ is $^o$
The minor arc $AB$ is $^o$
The major arc $AB$ is $^o$
The radius of $C$ is cm
The diameter of $C$ is cm
The circumference of $C$ is cm