Question

Given: ABC is similar to XYC.



If BY = 6, YC = 10, AX = 18, then XC =


A. 10.8

B. 5

C. 30

D. 48

Answer 1

we know BC = 16

Answer 2

yes. how can I set up a proportion?

Answer 3

my answer is 30
by BY/YC = AX/XC
SUBSTITUTE
6/10 = 18/ x
cross multiply
6x=180
divide 6 both side
x is 30

Answer 4

and XC has to be shorter than BC,

Answer 5

you don't really have to

Answer 6

is this triangle to scale

Answer 7

thanks guys!