PLEASE HELP!

determine the truth value of each conditional.

1. Explain your reasoning or give a counterexample. if a figure has four congruent angles then the figure is a square.

2. if the sidewalks are wet, then it has been raining.

3. Write a biconditional for the following conditional. Determine the truth value of the new statement. If two lines have the same slope, then they are parallel.