Answer:
This answer assumes the vertices of the polygon are at A(1, 2), B(2, 3), C(3, 2), and D(2, 1).
Step-by-step explanation:
A (1, 2) Ax (1, −2) Ay (−1, 2)
B (2, 3) Bx (2, −3) By (−2, 3)
C (3, 2) Cx (3, −2) Cy (−3, 2)
D (2, 1) Dx (2, −1) Dy (−2, 1)
Vertex Coordinate Vertex Coordinate Vertex Coordinate
Plato Sample Anwser
9
0.5xbx12=54
b=54/0.5x12=9
0.5x9x12=54
I hope this helps!
I think its c but im not sure