8.7B Surface Area

What is surface area?

• The amount of stuff that can fit in an object.
• A 2D shape.
• A 3D shape.
• The sum of the areas of all the surfaces (faces) of a 3D shape.

Find the area

• 8 ft²
• 8 ft³
• 4 ft²
• 4 ft³

Tags

CCSS.6.G.A.1

How do I know which side lengths are needed for area of the triangles?

• The side lengths are connected by a 90 degree angle

• The side lengths are next to each other

• The side lengths are on the top and bottom

Tags

CCSS.6.G.A.1

What two numbers will be used to find area of the triangular base?

• 9 and 12

• 9 and 15

• 12 and 15

• 9 and 10

Tags

CCSS.6.G.A.1

What is the combined area of the two triangular bases?

• 13.5 in²

• 30 in²

• 27 in²

• 15 in²

Tags

CCSS.7.G.B.6

Find the total surface area of the prism.

• 161 square feet
• 1,700 square feet
• 75 square feet
• 186 square feet

Tags

CCSS.7.G.B.6

Find the total surface area.

• 556 cm²

• 278 cm²

• 680 cm²

• 340 cm²

Tags

CCSS.7.G.B.6

Find the Total Surface area of the cylinder. 

• 62.8m
• 477.28 cm²
•  235.5 cm³
• 942 cm²