On his math test, balavan wrote that a four-sided polygon that has at least two right angles must be a rectangle or a square. denna wrote that a four-sided polygon needs at least three right angles to be a rectangle or a square. who is right? explain your answer.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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.