Question

Polygon ABCD has vertices A(0, 2), B(0, 8), C(7, 8), and D(7, 2). What is polygon ABCD and its perimeter? (Hint: Draw the polygon on the coordinate plane and find the slopes of each side.)

parallelogram; P = 42 linear units
trapezoid; P = 26 linear units
rectangle; P = 26 linear units
square; P = 42 units2

Answer 1

Well I'm going to assume you drew the polygon correct?

Answer 2

Yes.. Im pretty sure I did.

Answer 3

And the shape is...?

Answer 4

A square.

Answer 5

Hmm are we sure its a square?

If it is, then all sides are equal right?

Answer 6

Ohhh okay, Uhm 7?

Answer 7

Right, so then it doesnt look like this is a square, more like rectangle right?

Because



The sides arent equal, but opposite sides ARE equal