Mathematics · Mensuration
The base of a prism is a rectangle whose length is twice its width. The perimeter of the base is 30 cm. The prism's height decreases in an arithmetic progression from 15 cm in the first layer to 9 cm in the fourth layer. What is the total volume of the prism if its height is taken as the average of these layers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12700 cm3
- 22400 cm3✓
- 32100 cm3
- 41800 cm3
Correct answer
2400 cm3
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