I assume you mean 4 congruent sides or 2 pairs of congruent sides.. (There are no 4-sided figures with 8 sides.) A square.
Parallelogram
A rhombus is a parallelogram with four equal sides. A square is a type of rhombus.
rectangle
This is a rectangle.
A rectangle has 4 congruent angles. 90 degrees. It is also a parallelogram, 2 pairs of congruent sides.
4 sides
I assume you mean 4 congruent sides or 2 pairs of congruent sides.. (There are no 4-sided figures with 8 sides.) A square.
Rectangle
rectangle
A rectangle.
a square is the answer.
rectangle
rectangle
A square. A rectangle.
Parallelogram
It is rectangle and parallelogram. :). :D