Day 80: Flashcard 6.MG.4 Congruent Figures and Lines of Symmetry

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical parts that are mirror images of each other.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What does it mean for two figures to be congruent?

Back

Two figures are congruent if they have the same shape and size, but may be oriented differently.

Front

If Figure KLMN is congruent to Figure WXYZ, what can we say about their corresponding angles?

Back

The corresponding angles of congruent figures are equal.

Front

What is the measure of angle M if it is congruent to angle A, which measures 85°?

Back

Angle M measures 85°.

Front

What notation is used to indicate that two segments are congruent?

Back

Front

How do you find the number of lines of symmetry in a regular polygon?

Back

A regular polygon has as many lines of symmetry as it has sides.

Front

What is the measure of each interior angle of a regular hexagon?

Back

Each interior angle of a regular hexagon measures 120°.

Front

Back

The lengths of segments RT and BC are equal.

Front

What is the relationship between the angles in congruent triangles?

Back

In congruent triangles, all corresponding angles are equal.