Answer:
What?
Step-by-step explanation:
Yes they are congruent because they have just been translated in a rotation. But they still hold the same area and perimeter.
T1 = 4
4 = a
T5 = 16
16 = 4 + 4d
4d = 12
d = 3
Tn = 4 + ( n - 1 ) 3
Tn = 4 + 3n - 3
Tn = 3n + 1
the answer is b