Mathematics for IGCSE & O level - Mensuration (Section 2 - No. 34)
The area of a cross-section of a prism is 75cm². In volume 1200 cm³. Calculate the length.
12 cm
16 cm
18 cm
20 cm
คำอธิบาย
Volume of a prism is area * length. Length = Volume / Area = 1200 cm³ / 75 cm² = 16 cm