Simple Area of Composite Figures

The sum of the areas of all surfaces (faces) of a 3-D figure.

• Surface Area

• Volume

• Composite Figure

• Base

How can the area of a composite plane figure be determined?

• By adding the areas of the subdivisions

• By subtracting the areas of the subdivisions

• By dividing the areas of the subdivisions

• By multiplying the perimeters of the subdivisions

When solving contextual problems involving composite plane figures, what should be the final step?

• Subdividing the figure into known shapes

• Identifying the number of sides in the figure

• Finding the dimensions of the figure

• Calculating the area or perimeter of the entire figure

Find the area of the composite figure.

• 100

• 400

• 137.5

• 175

Find the area of the composite figure. Round your answer to the nearest tenth.

• 32.4 mm²

• 36.4 mm²

• 39.4 mm²

• 42.4 mm²

A local restaurant places tissue-paper liners in a basket for rolls as shown in the picture. How many square centimeters of tissue paper is needed to make one liner?

• 216.7 cm²

• 257.9 cm²

• 379.3 cm²

• 408.1 cm²

What is the area of this composite shape?

• 14 in²

• 68 in²

• 36 in²

• 24 in²

What is the area of the arrow?

• 17 in²

• 40 in²

• 52 in²

• 61 in²

How much material do you need to make two back pockets?

• 129 cm²

• 258 cm²

• 246 cm²

• 228 cm²