I think the answer is 19.9 cm
Answer:
the answer is D
Step-by-step explanation:
TOOK THE TEST
We have the following:

solving for x

The solution of x is equal to 28, therefore 12 is not a solution of the equation
35 é divisível por 5 e 7
5 e 7 são números primos, logo, 35 pode ser escrito...
5*7, 7*5, 35*1
The volume is the triangular prism is 6 cm