21
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Triangle $AXY$ is similar to triangle $ZBC$. If $AX = 6$ cm, $ZB = 18$ cm and $ZC = 63$ cm, what is the length of segment $AY$, in centimeters?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
21
Triangle $AXY$ is similar to triangle $ZBC$. If $AX = 6$ cm, $ZB = 18$ cm and $ZC = 63$ cm, what is the length of segment $AY$, in centimeters?
train