1. 3-1 Lines and Angles

3. Problem 1: Identifying Nonintersecting Lines and Planes
In the figure, assume that lines and planes that appear to be parallel are parallel.
Which segments are parallel to 𝐴𝐵
Which segments are parallel to 𝐶𝐷
What are two pairs of parallel planes
What are two segments parallel to plane BCGF

4. In the figure, assume that lines and planes that appear to be parallel are parallel.
Which segments are parallel to 𝐴𝐷
Explain why 𝐹𝐸 and 𝐶𝐷 are not skew
What are two segments parallel to plane DCGH

5. Transversal: a line that intersects two or more coplanar lines at distinct points

6. Angles formed by Transversals

7. Angles formed by Transversals

8. Problem 2: Identifying an Angle Pair

9. What are three pairs of corresponding angles?

10. Problem 3: Classifying an Angle Pair
The photo shows the Royal Ontario Museum in Toronto, Canada. What are angles 2 and 4?

11. The photo shows the Royal Ontario Museum in Toronto, Canada
The photo shows the Royal Ontario Museum in Toronto, Canada. What are angles 1 and 3?