Where is the graph? not trying to be annoying just trying to answer ur question
Base area* height
base area:
parallelogram: width*length
triangles: (height * base) /2
Answers 425 is you multiply 50 by 8 you’d get 400 then add 25 the number 8 is the amount of times you can use the scale so it would be 16cm them you have one more cm left so you’d just cut the scale in half
-30m^3-3 here is your answer