Symmetry, Patterns and Solids

Two geometrical shapes are congruent if they have

• Same size

• Same shape

• Same Shape and Same Size

• Angles Equal

Which of the following is NOT an isometric transformation?

• Translation

• Rotation

• Enlargement

• Reflection

Isometric means that a transformation does not change size or shape.

• True

• False

Translations are considered isometric transformations.

• True

• False

Identify the transformation.

• Reflection across y-axis
• 90 Rotation counter clockwise
• Translation 5 units left, 1 unit up.
• Translation 5 units right, 1 unit down

Determine how to translate triangle ABC to triangle A'B'C'.

• right two, down five
• right two, down 9
• left two, up 9
• left two, down 5

When you translate, you ______ a number to x and y.

• Add or subtract
• Multiply or divide
• Add or multiply
• Subtract or divide

What is a reflection?

• When you turn an object around a point.
• When you slide an object form one place to another.
• When you flip or mirror an object across a line.
• When you resize an object.

Translation is the transfer of all points in the same direction and through the same distance.

• True

• False

Before the transformation takes place, the original figure is called

• Image

• Object