Segments marked with an equal number of tickmarks are congruent.
Segments marked with the same number of arrows are parallel.
Angles with a box are right angles and measure 90 degrees.
Quadrilateral CDAB
![m\angle ADC=90^(\circ), \overline{AD} \cong \overline{BC}](https://img.qammunity.org/2023/formulas/mathematics/college/hjc9764sba6cjrypa74iv9xmm21vtf1uol.png)
Quadrilateral GHEF
![\overline{EF} \cong \overline{GF}, \overline{EH} \cong \overline{HG}](https://img.qammunity.org/2023/formulas/mathematics/college/4mho5q3zwic2mvwm118bnqwl8984pix1cw.png)
Quadrilateral KLIJ
![m\angle LIJ=m\anlge IJK=90^(\circ)](https://img.qammunity.org/2023/formulas/mathematics/college/v0zf55jsgqa7i94ewlexfe2zce3a351q92.png)
Quadrilateral PQMN
![\overline{QM} \parallel \overline{PN}, \overline{QP} \parallel \overline{MN}](https://img.qammunity.org/2023/formulas/mathematics/college/ix7fyq1joanh6gbopsc51gmbb1t19kxmhr.png)