For each of the following pairs of shapes, decide whether or not they are congruent. Explain your reasoning.
1. The two figures are ...
[color=#ff0000]Explain your reasoning.[/color]
2. The two figures are ...
[color=#ff0000]Explain your reasoning.[/color]
3. The two figures are ...
[color=#ff0000]Explain your reasoning.[/color]
4. The two figures are ...
[color=#ff0000]Explain your reasoning.[/color]