Which figure must be a rhombus?

A.
a parallelogram with four congruent sides

B.
a parallelogram with four congruent angles

C.
a quadrilateral with four right angles

D.
a quadrilateral with congruent diagonals



Marissa wrote this equation for the area of a rectangle.

18.3w = 433.71.

What is the width (w) of this rectangle?

A.
415.4 units

B.
7936.9 units

C.
452.0 units

D.
23.7 units