Question

look at this shape:
image of a triangle on a grid
which image shows a reflection?
images of triangles labeled a, b, c on grids
options: a, b, c

Explanation:

A reflection creates a mirror image of the original shape, flipping it across a line. Option A is a rotated and shifted version, not a reflection. Option C is identical to the original shape, not a mirror image. Option B is the mirror reflection of the original triangle, flipped horizontally.

Answer:

B. The triangle in grid B, which is the mirror reflection of the original shape