Math I · G-CO.3

Describe rotations and reflections that carry rectangles, parallelograms, trapezoids, or regular polygons onto themselves.

Describe rotations and reflections that carry rectangles, parallelograms, trapezoids, or regular polygons onto themselves.

Concept Geometry
Domain Congruence
Problem Types

Problem Templates In This Objective

11 problem types are attached to this objective. The full web app handles practice, answers, hints, and walkthroughs.

Template 1

Identify reflection symmetry lines for a rectangle or square

4 variants
Template 2

Identify rotational symmetry angles

4 variants
Template 3

Distinguish rotational symmetry from reflection symmetry

4 variants
Template 4

Recognize reflection symmetry in a trapezoid

4 variants
Template 5

Count and locate reflection symmetry lines of a regular polygon

4 variants
Template 6

Identify rotational symmetries of a regular polygon

4 variants
Template 7

List all symmetries of a regular polygon

4 variants
Template 8

Decide whether a proposed symmetry is valid

4 variants
Template 9

Compare the symmetries of related quadrilaterals

4 variants
Template 10

Find the smallest positive rotation of a regular polygon

4 variants
Template 11

Complete all lines of symmetry for a regular polygon

4 variants