?. What do you call a quadrilateral whose opposite side are equal and has 4 right angles?
a. triangle
b. rectangle
c. trapezoid
d. rhombus
?. Which describes a square?
a. it has two pairs of parallel sides
b. it's a political are obtuse and the two opposite angles are acute
c. its opposite sides are equal and has four right angles
d. it has four right angles with four equal sides ​