Multistep Surface Area

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

• 415 km²

• 451 km²

• 336 km²

• 300 km²

Tags

CCSS.7.G.B.6

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

How many square centimeters of wrapping paper are needed to cover the surfaces of the pyramid? 

• 108 cm²

• 324 cm²

• 180 cm²

• 432 cm²

Tags

CCSS.7.G.B.6

Surface area:

• 240 ft²

• 268 ft²

Tags

CCSS.7.G.B.6

Surface area:

• 96 m²

• 36 m²

• 228 m²

• 284 m²

Tags

CCSS.7.G.B.6

Surface area:

• 81 m²

• 297 m²

• 108 m²

• 216 m²

Tags

CCSS.7.G.B.6

A glass triangular prism is 5.5 inches tall. Each side of the base is 4 inches long, with a 3-inch height. How much glass covers the surface?

• 90 in²

• 78 in²

• 34 in²

Tags

CCSS.7.G.B.6

How many square inches of cardboard make up this pyramid?

• 24 in²

• 40 in²

• 44 in²

Tags

CCSS.6.G.A.4

Which diagram has a surface area of 78 square units?

• A

• B

• C

• D

Tags

CCSS.6.G.A.4