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|.
Quick Answer. A rectangle has four right angles and two pairs of equal sides. Rectangles are four-sided polygons known as quadrilaterals. Other types of quadrilaterals are the square, rhombus, trapezoid, parallelogram and kite. Polygons are two-dimensional shapes comprised of straight lines that are connected to each other.