Use the hot spot tool to add the other ray to make angle D.
To use the hot spot tool, click on the rectangle where the ray should be, then click the check mark.
Reflection: How do you feel about today's math lesson?
Confident: I could teach the class how to do this tomorrow.
Curious: I have some questions for my teacher, to understand it fully.
Confused: I didn't understand the lesson and need help, please.