The difference in volume of the two compartments is 210 cm³
What is volume?
Volume is the amount of space occupied by a three dimensional shape or figure.
The volume of the compartment = area of base * height
Area of base (trapezoid) = (1/2)(sum of parallel side)(height) = (1/2) * (15 + 5) * (7) = 70 cm²
Volume of compartment = 70 * 8 = 560 cm³
For the new compartment, height = 8 + 3 = 11 cm, hence:
Volume of new compartment = 70 * 11 = 770 cm³
Difference in volume = 770 cm³ - 560 cm³ = 210 cm³
The difference in volume of the two compartments is 210 cm³
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