The area model shows 3 1/4 what is 3x3 1/4

Acircle has a circumference of 28.36 units what is the diameter of the circle

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

With this question, the answer with the red arrow is incorrect!