11.5 Surface Area Cones

11.5 Surface Area Cones

by Hanna Drakos

​The formula...

Multiple Choice

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

• $$\pi rl$$  

• $$\pi rl+\pi r^2$$  

• $$\frac{1}{2}Pl$$

• $$\frac{1}{2}Pl+B$$

Multiple Choice

Find the total surface area of the cone. Round to the nearest tenth.

• 37.7 m²

• 50.3 m²

• 75.4 m²

• 25.1 m²

Multiple Choice

Find the total surface area of the cone. Don't forget to divide the diameter by 2 to find the radius. Round to the nearest tenth.

• 1158.5 sq. m

• 1287.2 sq. m

• 1007.9 sq. m

• 1462 sq. m

Multiple Choice

Find the Total Surface Area of the given figure.

• 477.52m²

• 427.26m²

• 578.05m²

• 628.32m²

Multiple Choice

Find the total surface area of the figure.

• 353.43 $$mm^2$$

• 833.67 $$mm^2$$

• 176.7 $$mm^2$$

• 566.76 $$mm^2$$