All sides of a rectangle are equal.
Combine these two statements using, 'if and only if'
p:If a rectangle is a square, then all its four sides are equal.
q:If all the four sides of a rectangle are equal, then the rectangle is a square.
Say True of False:
(a) Each angle of a rectangle is a right angle.
(b) The opposite sides of a rectangle are equal in length.
(c) The diagonals of a square are perpendicular to one another.
(d) All the sides of a rhombus are of equal length.
(e) All the sides of a parallelogram are of equal length.
(f) The opposite sides of a trapezium are parallel.