Front

What is the definition of congruent triangles?

Back

Triangles that have the same size and shape, meaning their corresponding sides and angles are equal.

Tags

CCSS.8.G.A.2

Front

What does the symbol '≅' represent in geometry?

Back

It represents that two angles or segments are congruent.

Tags

CCSS.8.G.A.2

Front

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

Back

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

Tags

CCSS.HSG.SRT.A.2

Front

How many degrees are in a full rotation?

Back

360 degrees.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What is the relationship between alternate exterior angles when two parallel lines are cut by a transversal?

Back

Alternate exterior angles are always congruent.

Tags

CCSS.8.G.A.5

Front

What is the definition of symmetry in geometry?

Back

A shape has symmetry if it can be divided into two identical parts that are mirror images of each other.

Tags

CCSS.4.G.A.3

Front

How do you determine the number of lines of symmetry in a shape?

Back

Count the number of ways you can fold the shape so that both halves match exactly.

Tags

CCSS.4.G.A.3

Front

What is the definition of vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect, and they are always congruent.

Tags

CCSS.7.G.B.5

Front

What is the definition of a reflection in geometry?

Back

A transformation that flips a shape over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of reflecting a shape over two intersecting lines?

Back

It is equivalent to rotating the shape around the point of intersection of the lines.

Tags

CCSS.8.G.A.3