Lateral Area of Cones

Find the lateral area and surface area of each figure. Round your answers to the nearest tenth, if necessary.

• 183.0 cm²; 233.2 cm²

• 188 cm²; 259 cm²

• 83.7 cm²; 93.2 cm²

• 190 cm²; 240 cm²

Find the lateral area and surface area of each figure. Round your answers to the nearest tenth, if necessary.

• 203.4 m²; 297 m²

• 37.7 m²; 50.3 m²

• 50 m²; 75 m²

• 150 m²; 254.5 m²

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

• 252.6 sq. cm

• 217.6 sq. cm

• 365.7 sq. cm

• 435.2 sq. cm

Find the LATERAL surface area of the cone.

• 1180.7 sq. in

• 703.7 sq. in

• 1017.4 sq. in

• 2597.5 sq. in

What is the lateral area?

• 143.2 pi mi sq

• 286.4 pi mi sq

• 1145.6 pi mi sq

• 71.6 pi mi sq

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

• 94.3 in.²

• 172.8 in.²

• 50 in.²

• 22.5 in.²

How do you find the lateral surface area of a 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 lateral surface area. Round to the nearest hundredths.

• A

• B

• C

• D