Question 36
Mensuration of SolidsThe figure is a solid with the trapezium PQRS as its uniform cross-section. Find its volume
- A.102m3
- B.576m3
- C.816m3
- D.1056m3.
Show the answer and explanation
Answer: C (816m3)
Explanation
The trapezium has parallel sides PQ = 6m and RS = 11m, 12m apart, so its area is ½(6 + 11) × 12 = 102m². The solid is 8m long, giving 102 × 8 = 816m³.