Surface and Area of a Cone

Find the surface area:

Painting this cone orange is an example of -

(a)  

Find the surface area of the cone. Round to the nearest tenth if necessary.

Mathematical Equivalence

ON

Find the surface area of the cone. Round to the nearest tenth if necessary.

Mathematical Equivalence

ON

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 this cone.

• 204.2 ft.²

• 188.5 ft.²

• 282.7 ft.²

• 408.4 ft.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. 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

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?

• 94.25 in.²

• 172.79 in.²

• 50 in.²

• 22.5 in.²