Practice problem
Identifying Angles, Measures, and Angle Congruence
Image by Zahid H Javali via Pixabay (Creative Commons CC0 for Commercial Reuse)
Melissa saw this picture on Pinterest and wants to make the same shelf for her wall. She knows all of the angles for the shelf are , but the lengths of the shelves are different. She also knows that if the angles of the shelves are congruent, she only needs one tool to measure them. Does Melissa need more than one tool?