Identifying Congruent Figures by Reflection

Identifying Congruent Figures by Reflection
Introduction

Congruent figures are figures that have exactly the same size and shape. They may be in different positions or orientations, but their corresponding side len...

Maria was given a coordinate plane with several shapes. Her task was to identify which figures are congruent using reflection only.

First, she observed rectangles ABCD and RSTU above the x-axis. They seemed to have the same size and angle measures. They were also positioned symmetrically on opposite sides of the y-axis.

When she refl...