Question

Kim performed a transformation on triangle ABC to create triangle A'B'C', as shown in the figure below:

http://prntscr.com/92ield

What transformation did Kim perform to create triangle A'B'C'?

Reflection across the x‐axis

Rotation of 270 degrees counterclockwise about the origin

Reflection across the y‐axis

Rotation of 90 degrees counterclockwise about the origin

Answer 1

a?

Answer 2

@DanJS

Answer 3

@danJs

Answer 4

a is reflection at x-axis....imagine there is a mirror placed at x-axis, is that how the triangle would look?

Answer 5

so reflection of the y - axis

Answer 6

bingo - good job @TTP :)