## Detailed description

Cartesian plane shown with two triangles ABC and \(A^\prime B^\prime C^\prime\). Dashed lines joining A to the origin and then the origin to \(A^\prime\).

Coordinates:

A(1, 2); B(4, 3); C(5, 1)

\(A^\prime\)(1, –2); \(B^\prime\)(4, –3); \(C^\prime\)(5, –1)