Two angles of a triangle measure 48° and 112° respectively. The measure of

the third angle is :

Three angles of a quadrilateral are 54°, 66°, 70° respectively. The measure

of the 4th angle is

Each interior angle of a regular pentagon measures :

Each interior angle of a regular hexagon is :

Each interior angle of a regular octagon is :

The sum of the interior angles of a regular hexagon is

The sum of the interior angles of a regular pentagon is

Each exterior angle of a regular polygon is 40°. The number of sides of the

polygon is :

The difference between the interior and exterior angle of a regular polygon

is 60°. The number of sides in the polygon is :

The ratio of an interior angle to an exterior angle of a regular polygon is

7 : 2. The_ number of sides of the polygon is