Answer:
You are correct
Step-by-step explanation:
If you put the coordinates into a graph, you come out with a square that is slightly rotated.
You should find that each side is 5 units long, so you have a rhombus. Also, each angle is 90 degrees so you have a rectangle. Combine the properties of a rhombus and a rectangle and you get a square as the best description.
z = 1
90/15 = 6/z
Cross Multiply
15 * 6 = 90 * z
90 = 90z
Divide both sides of the equation by 90
Hope this was useful to you!