They are quadrilaterals which have two pairs of parallel sides.
A square and a kite are two of them
It could be a triangle, a quadrilateral, a pentagon, a hexagon or even an octagon if they are two concave quadrilaterals.
Which quadrilateral or quadrilaterals cannot have two consecutive angles of 90° each
yes
They are quadrilaterals which have two pairs of parallel sides.
the two types of quadrilaterals that have four right angles are a square and a rectangle
The two quadrilaterals are squares.
A square and a kite are two of them
Quadrilaterals only have two diagonals because they only have four vertices.
Quadrilaterals only have two diagonals because they only have four vertices.
It could be a triangle, a quadrilateral, a pentagon, a hexagon or even an octagon if they are two concave quadrilaterals.
Which quadrilateral or quadrilaterals cannot have two consecutive angles of 90° each
Square, diamond
Yes
square, rhombus
yes