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It is a trapezoid that can have two right angles plus one obtuse angle plus one acute angle and the four angles add up to 360 degrees.
A quadrilateral with 4 right angles can only be a rectangle or a square. A rectangle has only two lines of symmetry - the lines joining the midpoints of its opposite sides. So the answer cannot be a rectangle. A square has the same lines of symmetry as a rectangle, plus the two diagonals - 4 lines in all.
parallelogram
If your asking what shape has three lines of symmetry, your answer would be an equilateral triangle. You can tell how many lines of symmetry a shape that has all angles of the same measure has by looking at it's angles. Ex., pentagon has five angles--five lines of symmetry; octagon has eight angles, eight lines of symmetry; etc.
A square or rectangle.
Oh, honey, that's an obtuse trapezoid for you. Two obtuse angles and no lines of symmetry, just like a rebellious teenager breaking all the rules. It's a unique shape that likes to stand out in a crowd, not conforming to the symmetry standards.
Parrallelogram (it has rotational symmetry but no lines of symmetry)
Parallelogram
rectangle
a rhombus or parallelogram
octagon
It is a trapezoid that can have two right angles plus one obtuse angle plus one acute angle and the four angles add up to 360 degrees.
An irregular quadrilateral.
There are no lines of symmetry.
A quadrilateral with 4 right angles can only be a rectangle or a square. A rectangle has only two lines of symmetry - the lines joining the midpoints of its opposite sides. So the answer cannot be a rectangle. A square has the same lines of symmetry as a rectangle, plus the two diagonals - 4 lines in all.
Impossible.
The quadrilateral that has two lines of symmetry that are diagonals is a rhombus. In a rhombus, the diagonals bisect each other at right angles and serve as lines of symmetry. Each diagonal divides the rhombus into two congruent triangles, reflecting the shape across the diagonal. This property gives the rhombus its two lines of symmetry.