Question 42
Mensuration of SolidsThe height of a pyramid on a square base is 15cm. If the volume is 80cm3, find the area of the square base.
- A.8cm2
- B.9.6cm2
- C.16cm2
- D.25cm2
Show the answer and explanation
Answer: C (16cm2)
Explanation
V = ⅓ × base area × 15 = 5 × base area = 80, so the base area is 16 cm2.