Math I · G-CO.12

Perform formal constructions with compass/straightedge, paper folding, string, reflective devices, or geometry software.

Perform formal constructions with compass/straightedge, paper folding, string, reflective devices, or geometry software.

Concept Geometry
Domain Congruence
Problem Types

Problem Templates In This Objective

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

Template 1

Find a midpoint using construction reasoning

4 variants
Template 2

Determine whether side lengths can form a constructed triangle

4 variants
Template 3

Identify the next step in a construction sequence

4 variants
Template 4

Detect an invalid construction step

4 variants
Template 5

Transfer a segment length with a compass

4 variants
Template 6

Construct a perpendicular bisector from equal-radius arcs

4 variants
Template 7

Construct an angle bisector with intersecting arcs

4 variants
Template 8

Drop a perpendicular from a point to a line

4 variants
Template 9

Copy an angle with compass and straightedge

4 variants