Ms. Lean's 8th Grade Math - Home
Congruent Figures Math 8
Name: _______________________ Date: __________________
[pic]
|A rigid motion is a transformation that preserves ______________ and ___________| |
|measure. Translations, reflections, and rotations are rigid motions. | |
| | |
|Two figures are _______________ when one can be obtained from another by a |[pic] |
|sequence of rigid motions. | |
| | |
|Angles with the same measure are called ______________ angles and sides with the| |
|same measure are called _____________ sides. | |
| | |
EXAMPLE 1: Naming Corresponding Parts
|The figures are congruent. Name the corresponding angles and the corresponding sides. |[pic] |
[pic]
EXAMPLE 2: Identifying Congruent Figures
Identify any congruent figures in the coordinate plane.
[pic]
EXAMPLE 3: Describing a Sequence of Rigid Motions
|The red figure is congruent to the blue figure. Describe a sequence of rigid |[pic] |
|motions between the figures. | |
EXAMPLE 4: Modeling Real Life
|[pic] |You can use the buttons shown at the left to transform objects in a computer program. You can rotate objects 90 in either |
| |direction and reflect objects in a horizontal or vertical line. How can you transform the emoji as shown below? |
| |[pic] |
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