Answer:
I think it's C. Sorry if it's incorrect! I worked it out in like 2 min.
Properties of polygons.
Step-by-step explanation:
(1) Both pair of opposite sides are congruent. <u>Distance Formula</u>
(2) Both pairs of opposite sides are parallel. <u>Slope Formula</u>
(3) Diagonals are congruent . <u>Distance Formula</u>
(4) Diagonals bisect to each other. <u>Midpoint Formula</u>
(5) Diagonals are perpendicular. <u>Slope Formula</u>
(6<u>)</u> Sides of polygon create a right angle. <u>Slope Formula</u>
(7) A triangle is isosceles /equilateral. <u>Distance Formula</u>
Did the math the comment bro is right it’s 56
