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STANDARDS

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US-MO

Math

Missouri Math

Geometry: Congruence

G.CO.A

Experiment with transformations in the plane.

G.CO.A.1

Mostly covered
Define angle, circle, perpendicular line, parallel line, line segment and ray based on the undefined notions of point, line, distance along a line and distance around a circular arc.

G.CO.A.2

Mostly covered
Represent transformations in the plane, and describe them as functions that take points in the plane as inputs and give other points as outputs.

G.CO.A.3

Mostly covered
Describe the rotational symmetry and lines of symmetry of two-dimensional figures.
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G.CO.A.4

Mostly covered
Develop definitions of rotations, reflections and translations in terms of angles, circles, perpendicular lines, parallel lines and line segments.

G.CO.A.5

Mostly covered
Demonstrate the ability to rotate, reflect or translate a figure, and determine a possible sequence of transformations between two congruent figures.

G.CO.B

Understand congruence in terms of rigid motions.

G.CO.B.6

Not covered
Develop the definition of congruence in terms of rigid motions.
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G.CO.B.7

Fully covered
Develop the criteria for triangle congruence from the definition of congruence in terms of rigid motions.

G.CO.C

Prove geometric theorems.

G.CO.C.8

Not covered
Prove theorems about lines and angles.
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G.CO.C.9

Not covered
Prove theorems about triangles.
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G.CO.C.10

Not covered
Prove theorems about polygons.
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G.CO.D

Make geometric constructions.

G.CO.D.11

Not covered
Construct geometric figures using various tools and methods.
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