# Lesson 4Leap YearPractice Understanding

For each of the geometric words below, write a definition that contains the essential attributes.

Parallelogram

Rectangle

Square

Rhombus

## Set

The underlying structure of each transformation is significant. Select the words or phrases from the word bank that fit with each transformation. Some words will be used multiple times and each transformation will have multiple words or phrases connected to it.

A. parallel

B. perpendicular

C. congruent segments

D. angle

E. bisector

F. same distance

G. concentric circles

H. equidistant

I. same direction

J. changes orientation

K. keeps orientation

L. same size and shape

Rotation

Translation

### 8.

Reflection

On the grids provided, draw in the desired components related to the transformation.

### 9.

• Show the lines between corresponding points.

• Draw the line of reflection.

### 10.

1. Draw the concentric circles through corresponding points with center at point .

2. Estimate the angle of rotation.

### 11.

Draw the parallel congruent segments between corresponding vertices.

## Go

Perform each transformation given the pre-image and description or rule.

Translate , .

### 13.

Rotate counterclockwise around the point .

### 14.

Reflect over the line .

Translate , .