square, rhombus
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
It could be a triangle, a quadrilateral, a pentagon, a hexagon or even an octagon if they are two concave quadrilaterals.
square and a pentagon
Quadrilaterals only have two diagonals because they only have four vertices.
Quadrilaterals only have two diagonals because they only have four vertices.
Which quadrilateral or quadrilaterals cannot have two consecutive angles of 90° each
No, one example is a kite that DOES NOT have two right angles. It is not a cyclic quadrilateral. A kite that does have two right angles is one.
Square, diamond
yes