EchinaforceÂ® Echinacea drops (tincture) and tablets - herbal remedy for colds and flu. EchinaforceÂ® Echinacea is a licensed traditional herbal remedy for colds and flu. It helps the body fight the symptoms of these infections by supporting the immune system, helping to maintain the body's resistance.
User: Which parallelogram has four right angles and four congruent sides? A. square B. rectangle C. trapezoid D. rhombus Weegy: The true statement is: A square is a rhombus. kyler07|Points 151|.
A square has equal sides and every angle is a right angle (90Â°) Also opposite sides are parallel. A square also fits the definition of a rectangle (all angles are 90Â°), and a rhombus (all sides are equal length). The Parallelogram. A parallelogram has opposite sides parallel and equal in length.