Surface and Area of Cone

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 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 surface area of the cone.

• 131.95 mm²

• 223.1 mm²

• 62.83 mm²

• 103.67 mm²

Find the surface area of a cone with a slant height of 10 and a radius of 6.

• 376.99

• 301.44

• 256.87

• 278.64

Find the surface area of this cone if the slant height is 13 ft and the radius is 5ft.

• 65ft.²

• 219.91 ft.²

• 282.74ft.²

• 130ft.²

Find the surface area of the cone. Round your answers to the nearest tenth. 

• 282.7 in³

• 314.2 in³

• 309.2 in³

• 267.4 in³

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. Round your answer to the nearest hundredth, if necessary.

• 542.74 m²

• 1156.35 m²

• 818.99 m²

• 1017.88 m²

Find the surface area. Round your answer to the nearest hundredth, if necessary.

• 1306.27 ft²

• 709.58 ft²

• 499.2 ft²

• 627.14 ft²

Find the surface area

• 40. 8 pi yd sq

• 163.2 pi yd sq

• 116.4 pi yd sq

• 157.2 pi yd sq