Master rigid motions, prove triangle congruence, and apply geometric reasoning to real measurement and construction problems.
Translate, rotate, and reflect shapes; understand properties preserved under rigid motions.
Establish triangle congruence using SAS, ASA, SSS, AAS, and HL for right triangles.
Write formal proofs using definitions, theorems, and auxiliary constructions.
Measure inaccessible distances, construct congruent figures, and solve practical design tasks.
Measure inaccessible distances with congruent triangles
Ensure structural alignment using rigid motions
Create symmetric patterns with reflections and rotations