$\"\"$

The angle is $\"\"$ .

The above angle change into decimal degree form as follows:

$\"\"$ (Write original angle)

$\"\"$ (Rewrite the angle)

$\"\"$ (One minute equal to $\"\"$ )

$\"\"$ (Simplify)

$\"\"$ (Simplify) $\"\"$

The decimal degree form of angle is $\"\"$ .