Surface Area of Pyramids and Cones

What is surface area?

• The measure of the amount of space inside of a solid figure
• The sum of all the areas of all the shapes that cover the object

What is the slant height of the triangular pyramid?

• 12 feet

• 6 feet

• 5.2 feet

Find the surface area.

• 12 m²
• 16 m²
• 24 m²
• 20 m²

Find the volume to the nearest hundredth.

• 12.57 ft³
• 37.68 ft³
• 18.84 ft³
• 6.28 ft³

Find the surface area of the cone.

• 131.95 mm²
• 223.1 mm²
• 62.83 mm²
• 103.67 mm²

What is surface area? Answer in terms of pi.

Solve for the surface area of the cone to the left, to two decimal places.

(a)  

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

What is the total surface area of the triangular prism shown?

• 468 in²

• 540 in²

• 576 in²

• 700 in²

Find the surface area of the cylinder. Round to the nearest whole number.

• 4,147 m²

• 1,445 m²

• 1,131 m²

• 4,712 m²