Area of Cones

What is the exact total surface area of the cone?

What is the lateral area?

• 449.88 mi²

• 1704 mi²

• 650.94 mi²

• 899.75 mi²

A paper party hat, like the one shown, has a slant height of 6 inches and a height of 5 inches. How many square feet of cardboard would be needed to create this hat?

• 62.5 in.²
• 10 in.²
• 50 in.²
• 22.5 in.²

Find the surface area of the cone. Leave your answer in terms of pi.

• 12π m²

• 16π m²

• 24π m²

• 8π m²

Find the surface area

• 1276.3m²

• 824.7m²

• 1649.3m²

• 3534.3m²

What is surface area?

• The distance around the outside of a two-dimensional figure

• The number of square units in a two-dimensional figure

• The number of cubic units needed to fill a three-dimensional figure.

• The sum of the areas of all surfaces on a three-dimensional figure

Sketch the solid that can be created from the net. Label the dimensions.

• 
• 
• 
• 

• A

• B

• C

• D

Find the lateral surface area. Round to the nearest hundredths.

• A

• B

• C

• D

Find the total surface area of the given cone. Round your answer to the nearest thousandths. No units needed in answer.