C+d
c*d
should be the answer
We sketch the two similar shapes and they are as shown in the attachment. We want to write corresponding side's length in ratio


Writing the two ratio as fraction gives

Cross multipliying gives
Answer:
30
Step-by-step explanation:
29 - 19 = 10 (difference)
triple 10 now:
10 x 3 = 30
Answer:
I believe it's "D" 13.1
Step-by-step explanation:
It should give you the option to do so.