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Dilation and Angle Relationships

Dilation and Angle Relationships

Assessment

Interactive Video

•

Mathematics

•

8th Grade

•

Practice Problem

•

Medium

Created by

Thomas White

Used 2+ times

FREE Resource

The video tutorial covers eighth-grade illustrative math, focusing on dilations without a grid. It explains how to calculate the image length of a segment after dilation with various scale factors. The tutorial also demonstrates plotting points for dilations using different centers and scale factors. It discusses triangle scaling, finding missing angles in intersecting lines, and proving triangle congruence. The video provides a comprehensive understanding of these geometric concepts through practical examples and calculations.

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the length of the image of segment AB after a dilation with a scale factor of 5?

5 cm

15 cm

3 cm

10 cm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If segment AB is 3 cm, what is its length after a dilation with a scale factor of 3.7?

11.1 cm

10 cm

9 cm

12 cm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the length of the image of segment AB after a dilation with a scale factor of 3.7?

12 cm

9 cm

10 cm

11.1 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of applying a scale factor of 1/5 to a 3 cm segment?

3 cm

0.6 cm

0.3 cm

1.5 cm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying a 3 cm segment by a scale factor of s?

3s cm

s/3 cm

s cm

3 cm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equivalent of six-tenths of a centimeter in terms of fractions?

3/5 cm

1/2 cm

1/3 cm

2/3 cm

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the length of the image of segment AB after a dilation with a scale factor of 1/5?

0.6 cm

1.5 cm

0.3 cm

3 cm

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