Surface Area of a Cone Quiz

Why is it important to understand the depth of the formula for the surface area of a cone?

• To avoid using a calculator

• To apply it correctly in different contexts

• To impress others

• To memorize the formula

What is the formula for the area of the base of a cone?

• 2πr

• πr²h

• πr

• πr²

Tags

CCSS.7.G.B.4

What shape is the base of a cone?

• Circle

• Triangle

• Rectangle

• Square

Tags

CCSS.7.G.A.3

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

• πr²h

• 2πr

• πrl

• πr²

In the formula for the lateral area of a cone, what does 'l' represent?

• Slant height

• Diameter

• Radius

• Height

How do you find the total surface area of a cone?

• Add the base area and the lateral area

• Multiply the base area by the lateral area

• Subtract the lateral area from the base area

• Divide the base area by the lateral area

If the radius of a cone is 4 cm and the slant height is 10 cm, what is the base area?

• 40π cm²

• 16π cm²

• 4π cm²

• 10π cm²

What is the total surface area of a cone with a radius of 4 cm and a slant height of 10 cm?

• 56π cm²

• 16π cm²

• 40π cm²

• 175.9 cm²