complete the following sentence. (there are no answer choices)

if the scale factor of two similar figures is a/b, then:

Similar figures are figures than they have the same shape.

Step-by-step explanation:

go on the tube you might find some information there

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.