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|.
Any quadrilateral with 4 right angles is a rectangle. A quadrilateral with 4 right angles and 4 equal length sides is a square. The area of a square is equal to the length of one side to the power of two (length squared). The perimeter of a square is 4 times the length of one side. Quadrilaterals with 2 sets of parallel side are called parallelograms.