Answer:
I'm new to this too but good luck with future assigments and the more questions you answer the more points you get.
The first one isn’t similar, because there are two sides with 6, with different side lengths. The second one is, it uses SSS. They correspond in the same ratio, with 4 more on the sides on the second.
That the answer for the question
The answer will be 39.71 PI mcuboc.
It is because 1.9squared is 3.61
3.61 multiplied by 11 is 39.71 PI meter cubic.