Surface Area and Composite Figures

How would you calculate how much icing was needed to cover this cake?

• Find the total surface area of each shape.
• Find the lateral surface area of each shape plus one of the bases.
• Find the bases and add them together and find the lateral surface areas and add them together. 
• Find the volume

The length, width and height of the wooden box are 12.3 inches, 6.4 inches and 7.5 inches respectively. What is the surface area of the wooden box? 

• 437.94 square inches
• 157.44 square inches
• 184.50 square inches
• 96.00 square inches

Tags

CCSS.7.G.B.6

How do you find the surface area of a 3 dimensional object?

• Divide the area of the base by 2 and multiply by the height.
• Divide the sum of the bases and multiply by the height.
• Multiply the sum of all the faces by two.
• Find the sum of all of the areas of all of the faces.

Tags

CCSS.6.G.A.4

Calculate the composite surface area of the figure.

• 80 cm²
• 72 cm²
• 52 cm²
• 42 cm²

Calculate the composite surface area of the figure.

• 16579.07 ft²
• 7022.35 ft²
• 490.09 ft²
• 8002.52 ft²

Calculate the composite surface area of the figure.

• 414.69 in²
• 226.195 in²
• 188.496 in²
• 640.885 in²

Calculate the composite surface area of the square pyramid on top of the square prism.

• 8160 cm²
• 2400 cm²
• 3456 cm²
• 2304 cm²

Calculate the composite surface area of the figure.

• 4605.38 cm²
• 4541.76 cm²
• 593.76 cm²
• 4919.76 cm²

Calculate the composite surface area of the figure.

• 243.172 cm²
• 216 cm²
• 39.74 cm²
• 255.74 cm²