Common name: American cockroach Scientific name: Periplaneta americana Linnaeus Order: Blattaria. Description: This is one of the largest common cockroaches in Texas, reaching 1-1/2 to 2 inches.They are reddish-brown in color.ommon name: American cockroach Scientific name: Periplaneta americana Linnaeus Order: Blattaria. Description: This is one of the largest common cockroaches in Texas, reaching 1-1/2 to 2 inches.
If we have a parallelogram where all sides are congruent then we have what is called a rhombus. The properties of parallelograms can be applied on rhombi. If we have a quadrilateral where one pair and only one pair of sides are parallel then we have what is called a trapezoid.
Answer by Chuck Goodman. Confidence votes 21.9K. A parallelogram is a quadrilateral that has two pairs of parallel sides. Some parallelograms, such as squares and rectangles have right angles, but most do not. So the answer is a parallelograms that is not a rectangle (square).