Kelly drew a triangle and then drew another triangle with each side exactly 3 times as long as the original. H?

Kelly drew a triangle and then drew another triangle with each side
exactly 3 times as long as the original. How is the perimeter of the
new triangle affected?

A.It increases by a factor of 27.
B.It increases by a factor of 9.
C.It increases by a factor of 6.
D.It increases by a factor of 3.