standard_description: Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.
problem_activity: Task
Below are pictures of four quadrilaterals: a square, a rectangle, a trapezoid and a parallelogram.
[IMG]
For each quadrilateral, find and draw all lines of symmetry.


aligns: yes