The top of a desk is shaped like a trapezoid the basis of the trapezoid are 26.5 and 30 cm long the area of the desk is 791 square centimeters the height of the trapezoid is the width of the desk right and solve an equation to find the width of the disk

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.