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|.
Rectangle. A rectangle is a parallelogram with 4 right angles. A rectangle has the following rules: (1) All the rules of a parallelogram. (2) Four right angles. Remember that a right angle measures 90 degrees. (3) Diagonals which are congruent (they have the same length). rhombus has the following rules: (1) All the rules of a parallelogram. (2) Four sides that have the same length. (3) Diagonals that intersect at right angles. (4) Diagonals that bisect opposite pairs of angles. Sample: Given that ABCD is a rhombus and the measure of angle D = 60 degrees.