A square has ____ pairs of parallel sides and ____ right angles.
Complete the following:
(a) A quadrilateral has ____________ sides.
(b) A quadrilateral has ____________ diagonals.
(c) A quadrilateral in which one pair of sides are parallel to each other is ____________.
(d) In an isosceles trapezium, the base angles are ____________.
(e) In a rhombus, the diagonals bisect each other in ____________ angles.
(f) In a square, all the sides are ____________.