Answer:
2. Rhombus
3. Quadrilateral
Step-by-step explanation:
2. Use the distance formula [tex]\sqrt (x_{2} - x_{1} ) + (y_{2} - y_{1} )[/tex] to find the lengths of all sides. The sides will be the same length, but the imaginary diagonals are not congruent, so it's not a square but is a rhombus.
3. Use the distance formula [tex]\sqrt (x_{2} - x_{1} ) + (y_{2} - y_{1} )[/tex] to find the lengths of all sides. You should see that no side is the same length, so it can only be a quadrilateral.
