2. Select the properties that both rectangles and parallelograms always share. 4 right angles
4 sides of equal length
2 pairs of parallel sides
2 pairs of sides with equal length
2 acute angles and 2 obtuse angles

3. Select the properties that equilateral triangles and isosceles triangles have in common.
0 sides of equal length
2 sides of equal length
3 sides of equal length
3 equal angles