Mathematics for IGCSE & O level - Mensuration (Section 10 - No. 39)
What is the formula for the volume of a frustum of a cone?
Volume of cone - volume of missing cone
πr²h
1/3πr²h
πrl
คำอธิบาย
The volume of a frustum is calculated by subtracting the volume of the missing cone from the volume of the whole cone.