Congruence Transformations

Front

What does CPCTC stand for?

Back

Corresponding parts of congruent triangles are congruent.

Front

What is the result of translating a 115 degree angle 4 units right and 1 unit down?

Back

The measure of the angle remains 115 degrees.

Front

What is the congruence statement for triangles EDC and ABC after a 90 degree clockwise rotation?

Back

∆EGF ≅ ∆FML.

Front

If ∠E ≅ ∠ __, what is the missing angle?

Back

A.

Front

What is a congruence transformation?

Back

A transformation that preserves the size and shape of a figure.

Front

What are the types of congruence transformations?

Back

Translation, rotation, reflection.

Front

How does a translation affect the coordinates of a point?

Back

It shifts the point by a specified distance in a specified direction.

Front

What is the effect of a 90 degree clockwise rotation on a point (x, y)?

Back

The new coordinates will be (y, -x).

Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape.

Front

What is the Angle-Angle (AA) criterion for triangle congruence?

Back

If two angles of one triangle are equal to two angles of another triangle, the triangles are congruent.