Question 1137208
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From one side, a plot is required to solve the problem.


From the other side,  an access to the plot requires an Username and a Password,  but I do not want to know these secrets . . . 



General instruction:    from the volume of the larger prism subtract the volumes of the two cutouts,  that are the prisms,  too.



After giving you a general instruction, the tutors' participation is not required, since the solution is  EXTREMELY  simple . . . 



<H3>&nbsp;&nbsp;&nbsp;&nbsp;Making calculations is the students' honor duty and a privilege.</H3>


Happy calculations !