Answer:
Rectangle
Step-by-step explanation:
The polygon that contains 4 sides is known as the quadrilateral
Also there are 6 types of quadrilateral that are as follows;
a. The rectangle has 2 pairs of opposite sides & 4 sides of the interior angles
b. The square contains the 4 congruent sides & 4 right interior angles
c. The parallelogram has 2 pairs of opposite sides that are parallel & congruent and 2 pairs of angles that are opposite & congruent
d. The rhombus contains the 4 congruent sides and angles
e. The trapezium contains the one pair of parallel sides
f. The kite contains the two pairs of sides that are congruent adjacent