Question 25
Mensuration of SolidsWhat is the volume of the regular three dimensional figure drawn above?
- A.160cm3
- B.48cm3
- C.96cm3
- D.120cm3
- E.40cm3.
Show the answer and explanation
Answer: B (48cm3)
Explanation
The end is a right-angled triangle with hypotenuse 5cm and side 4cm, so its other side is 3cm and its area is ½ × 3 × 4 = 6cm². Volume = 6 × 8 = 48cm³.