GEO Transformations Review 1

Front

What is the number of lines of symmetry in an equilateral triangle?

Back

3 lines of symmetry.

Front

What is the degree of rotational symmetry for an equilateral triangle?

Back

120 degrees.

Front

Which transformation is not a rigid motion?

Back

Dilation.

Front

What is the minimum angle of rotation that maps the recycling symbol onto itself?

Back

1,000 degrees.

Front

Identify the transformation from ABC to A'B'C' if it is a reflection across the x-axis.

Back

Reflection across the x-axis.

Front

What is the transformation that moves a shape 5 units left and 1 unit up?

Back

Translation 5 units left, 1 unit up.

Front

Define rigid motion in geometry.

Back

A transformation that preserves distance and angle measures.

Front

What is a reflection in geometry?

Back

A transformation that flips a figure over a line.

Front

What is a rotation in geometry?

Back

A transformation that turns a figure around a fixed point.

Front

What is a translation in geometry?

Back

A transformation that slides a figure in a straight line.