What is the main challenge students face with mathematical formulae according to the introduction?

• Applying the formulae in problems

• Deriving new formulae

• Understanding the concepts

• Memorizing the formulae

How can you identify a formula that calculates volume?

• It includes only one variable

• It has variables with a total power of 3

• It has variables with a total power of 2

• It includes the constant pi

Which formula represents the surface area of a cube?

• 2πrh

• 6l²

• 4πr²

• l³

What is the formula for the volume of a sphere?

• 4/3 πr³

• lbh

• πr²h

• 2πr²

Which shape's volume is calculated as 1/3 the volume of a cylinder?

• Cube

• Sphere

• Cuboid

• Cone

What is the lateral surface area formula for a cone?

• πr²

• πrl

• 2πrh

• 4πr²

How can modified shapes like hemispheres be approached in terms of formulae?

• By ignoring the modifications

• By combining or cutting standard shapes

• By using only area formulae

• By using the same formulae as spheres