Lesson 12: Practice Problems
Problem 1
Segments

Problem 2

Problem 3 From Unit 1 Lesson 8
Use the diagram to find the measure of each angle.

Problem 4
Lines

Explain why the measure of angle
is 19 degrees. If you get stuck, consider translating line by moving to . What is the measure of angle
? Explain.
Problem 5
The diagram shows three lines with some marked angle measures.
Find the missing angle measures marked with question marks.

Problem 6
Lines
