Conceptual Understanding

Which formulae are used for a cylinder? Select all correct answers.

• Curved surface area = 2πrh
• Volume = 4/3πr³
• Volume = πr²h
• Area = 1/2 × diagonal product

Which conversions are correct? Select all correct answers.

• 1 m³ = 1,000,000 cm³
• 1 m² = 100 cm²
• 1 m³ = 1,000 cm³
• 1 m² = 10,000 cm²

Which statements about a cube are correct? Select all correct answers.

• A cube has only 4 edges
• Total surface area = 4 × side
• All 6 faces are equal squares
• Volume = side³

Which measurements should be written in square units? Select all correct answers.

• Perimeter of a field
• Total surface area of a cube
• Area of a wall
• Volume of a tank

Which formulae correctly give area of plane figures? Select all correct answers.

• Triangle: 1/2 × base × height
• Circle circumference: πr²
• Rectangle: length × breadth
• Cuboid volume: 2(lb + bh + lh)