I don’t know how to tell if the two pentagons are both are congruent or tell if the sides and angles are congruent

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re