Fill in the blanks choosing the right option.
(1) A quadrilateral which has two pairs of equal adjacent sides is called ……(parallelogram/kite)
(2) Those polygons whose all diagonals are in the interior, are called ……. (convex/concave)
(3) Sum of all exterior angles of a polygon is ……….. (180°/360°)
(4) Diagonals are perpendicular in ………… (parallelogram/rhombus)