8.1.14 Practice Problems
By Brianna Buchanan
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Last updated almost 4 years ago
7 Questions
3
1.
Use the diagram to find the measure of each angle. Label them.
Use the diagram to find the measure of each angle. Label them.
1
2.
Lines k and l are parallel, and the measure of angle ABC is 19 degrees.![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a4f5f4c20543885227891_8-8.1.B.PP.Image.12.png)
Explain why the measure of angle ECF is 19 degrees. If you get stuck, consider translating line l by moving B to C.
Lines k and l are parallel, and the measure of angle ABC is 19 degrees.
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a4f5f4c20543885227891_8-8.1.B.PP.Image.12.png)
Explain why the measure of angle ECF is 19 degrees. If you get stuck, consider translating line l by moving B to C.
1
3.
Lines k and l are parallel, and the measure of angle ABC is 19 degrees.![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a4f5f4c20543885227891_8-8.1.B.PP.Image.12.png)
What is the measure of angle BCD? Explain.
Lines k and l are parallel, and the measure of angle ABC is 19 degrees.
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a4f5f4c20543885227891_8-8.1.B.PP.Image.12.png)
What is the measure of angle BCD? Explain.
6
4.
The diagram shows three lines with some marked angle measures. Find the missing angle measures marked with question marks.
The diagram shows three lines with some marked angle measures. Find the missing angle measures marked with question marks.
1
5.
Lines s and t are parallel. Find the value of x.
Lines s and t are parallel. Find the value of x.
1
6.
- The two figures are scaled copies of each other. What is the scale factor that takes Figure 1 to Figure 2?
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a5102572968470ae56bcb_8-8.1.PP.7Grev6.png)
- The two figures are scaled copies of each other. What is the scale factor that takes Figure 1 to Figure 2?
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a5102572968470ae56bcb_8-8.1.PP.7Grev6.png)
1
7.
- The two figures are scaled copies of each other. What is the scale factor that takes Figure 2 to Figure 1?
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a5102572968470ae56bcb_8-8.1.PP.7Grev6.png)
- The two figures are scaled copies of each other. What is the scale factor that takes Figure 2 to Figure 1?
![](https://s3.amazonaws.com/app-production-uploads/2020-09-22/JSMTDAqrkq8rjZAvY/5f6a5102572968470ae56bcb_8-8.1.PP.7Grev6.png)