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Transformations and Congruence in Geometry

Transformations and Congruence in Geometry

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial by Mr. Holcomb covers lesson 11 on the definition of congruence and its basic properties. It includes exercises demonstrating sequences of basic rigid motions to show congruence between different shapes (S1, S2, S3) and a translation and rotation exercise on figure XYZ. The tutorial emphasizes understanding congruence through transformations like translation, rotation, and reflection.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean for two shapes to be congruent?

They are mirror images of each other.

They have the same perimeter but different angles.

They are identical in every aspect including location.

They have the same size and shape but may be in different locations.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Exercise 1, what is the first step to show that S1 is congruent to S2?

Rotate S1 around a point.

Translate S1 using a vector.

Reflect S1 across a line.

Scale S1 to match S2.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using a vector in the translation step of Exercise 1?

To change the size of the shape.

To reflect the shape across a line.

To rotate the shape around a point.

To determine the direction and distance of movement.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Exercise 2, what is the sequence of motions used to move S2 to S3?

Translation followed by rotation.

Reflection followed by rotation.

Rotation followed by translation.

Translation followed by reflection.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final step in the sequence of motions for Exercise 2?

Reflecting the shape across a line.

Rotating the shape to align with S3.

Scaling the shape to match S3.

Translating the shape to a new position.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Exercise 3, what transformation is performed first on figure XYZ?

Rotation around a point.

Translation along a vector.

Reflection across a line.

Scaling to a different size.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the congruence of the transformed figure XYZ verified?

By comparing the areas of the figures.

By measuring angles and side lengths to ensure they are preserved.

By checking if the figures overlap perfectly.

By ensuring the figures are in the same location.

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