Area and Surface of Cones

What is surface area?

• Inside of the object

• the sum of all the areas of all the shapes that cover the surface of the object.

• Some random math concept that Mr. Simpson talks about

• Surface area is what you get when you boil unicorn tears.

What is the volume of the cone to the nearest tenth (use the $\pi$ button)?

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is the total surface area of the cone?

• 91.374 in²

• 56.52 in²

• 169.56 in²

• 28.3 in²

Find the Total Surface Area of the given figure.

• 477.52m²

• 427.26m²

• 578.05m²

• 628.32m²

Find the surface area

• 40. 8 pi yd sq

• 163.2 pi yd sq

• 116.4 pi yd sq

• 157.2 pi yd sq

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. 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

• 252.58 yd²

• 163.2 yd²

• 365.68 yd²

• 157.2 yd²

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