Two.
Including its diagonals there are 6 perpendicular lines
No but the diagonals of a square, rhombus and a kite are perpendicular to each other
No.
Not always but they are perpendicular in a square, a rhombus and a kite in that the diagonals intersect each other at 90 degrees
Two.
The diagonals of a square are always perpendicular.
The diagonals of a rectangle are never perpendicular but the diagonals of a square are perpendicular
Sure, a square is a rectangle and the diagonals of a square are perpendicular.
The diagonals of a square are perpendicular whereas the diagonals of a rectangle are not perpendicular.
Including its diagonals there are 6 perpendicular lines
The diagonals of a square are perpendicular whereas the diagonals of a rectangle are not perpendicular.
No. The diagonals of a rhombus are perpendicular only if the rhombus is a square.
No but the diagonals of a square, rhombus and a kite are perpendicular to each other
No, not necessarily. It would have to also be a square or a kite in order to have perpendicular diagonals.
Yes
square