We have the next formula to calculate the volume

where a is the length of the side in the base and h is the height
a=11cm
h=15cm
we substitue the values in the formula
The answer is -10/3 your answer
X Y
— —
-2 12
-1 6
0 0
1 -6
2 -12
Answer:
That is the simplest form.
Step-by-step explanation: