The difference in the volume that the two compartments have:
280 [tex]cm^3[/tex]
Find the volume
Given that,
Sum of parallel sides = 15cm + 5cm
= 20 cm
Height = 7 cm
[tex]= 4 cm[/tex]
To find,
The volume of the compartment = Area of base × Height
= {(1/2) × 20} × 7} × 7
= 490 [tex]cm^2[/tex] ...(i)
Now,
The new compartment's height = 7 + 4
= 11 cm
Volume for the new compartment = Area of base × Height
= 70 × 11
= 770 [tex]cm^3[/tex] ...(ii)
Now,
To find the difference in the volumes,
(ii) - (i)
= 770 - 490
= 280 [tex]cm^3[/tex]
Thus, 280 [tex]cm^3[/tex] is the correct answer.
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