Answer:
15(2) + x(2)= perimeter
Step-by-step explanation:
Answer:
rhombus = a quadrilateral with four congruent sides
rectangle = a quadrilateral with four right angles
parallelogram = a quadrilateral with two pairs of parallel sides
trapezoid = a quadrilateral with one set of parallel sides
square = a quadrilateral with four right angles and four congruent sides