Answer:
Step-by-step explanation:
If two sides are parallel, the figure can be a trapezoid or rhombus. However, if two pairs of sides are the same length, then the figure must be a parallelogram or rhombus (which has all sides the same length). As long as the figure has no right angles, it will have two acute and two obtuse angles.
Names:
Every 4-sided figure is a quadrilateral.
If the two pairs of equal-length sides are not equal to each other, the figure is a parallelogram.
If the two pairs of equal-length sides are equal to each other, the figure is a rhombus.