Question

Identifying Transformations
Triangle K J I is reflected to form triangle J prime K prime I prime.

Which type of transformation is shown in the figure on the left?
translation
reflection
rotation
dilation

Answer 1

Reflection — the triangle is flipped across a line (a mirror image). Corresponding points K→K′, J→J′, I→I′ are equidistant from the line of reflection and the orientation is reversed.