The diagonals of a square and a rhombus cross at right angles.
No but they cross at right angles in a square
Yes.
The diagonals of a square cross each other at right angles is one example
Only if the rectangle is a square.
A square or rectangle has all right angles. More complex shapes can also have all right angles, notably forms such as the outline "cross" (e.g. Red Cross), which is an irregular dodecagon having twelve sides. The Greek cross is equilateral, the Latin cross is not.
Its a right-angle triangle
A square with 4 right angles and has a point of a triangle on the end of the square
The diagonals of a rectangle do not cross at right angles
A square has 4 right angles.
a square has 4 right angles.
There are four (4) right angles in a square.