Country Population (1997 estimate) Area (square km) U. S. 272,648,000 9,364,520 Denmark 5,248,000 42,077 Egypt 5,784,000 1,759,540 Which of these countries has the greatest population density? Which has the least? Provide an explanation and proof for your answer to receive full credit. (10 points

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.