Surface Area of a Cone Quiz

What is the base of a cone when calculating its surface area?

• A circle

• A triangle

• A rectangle

• A square

Which part of the cone is referred to as the slant height?

• The diagonal from the base to the edge

• The vertical height from base to tip

• The circumference of the base

• The radius of the base

What is the formula for the lateral surface area of a cone?

• πr²

• 2πr

• πrl

• 2πrh

If the radius of a cone is 6 cm and the slant height is 8 cm, what is the lateral surface area?

• 48π cm²

• 36π cm²

• 113.097 cm²

• 150.796 cm²

What is the total surface area of a cone with a radius of 6 cm and a slant height of 8 cm, rounded to one decimal place?

• 263.9 cm²

• 200.0 cm²

• 150.8 cm²

• 113.1 cm²