Composite Figures

To find the area of a composite figure you must break the irregular figure into common shapes then find the area of each shape and 

• subtract them

• add them together

• multiply them

• divide them

• 27 in²
• 36 in²
• 18 in²
• I have no idea

Determine the area of the shaded region. 

• 36m²

• 26m²

• 28m²

• 32m²

Determine the area of the composite figure.

• 52.8m²

• 53.8m²

• 50.8m²

• 51.8m²

The floor plan of Katrisa's bedroom is shown below.  If Katrisa wants to carpet her bedroom, about how much carpet should she purchase?

• 778.5 square feet

• 887.8 square feet

• 798.4 square feet 

• 787.7 square feet

A local restaurant places tissue-paper liners in baskets for yeast rolls like the liner pictured below.  About how many square centimeters of tissue paper are needed to make one liner?

• 200.96 cm²

• 379.2 cm²

• 251.2 cm²   

• 253.6 cm²

The figure shows 2 circles inside a trapezoid.  Which procedure should be used to find the area of the shaded region?

• Subtract the perimeter of the trapezoid from the area of both circles.

• Subtract the circumference of both circles from the area of the trapezoid.

• Subtract the area of the trapezoid from the area of both circles.

• Subtract the area of both circles from the area of the trapezoid.

Which of the following is closest to the area of the figure shown?(use 3)

• 420 cm²

• 512 cm²

• 320 cm²

• 1,124 cm²

Which of the following equations could NOT be used to find the area of the composite figure shown?

• 1/2(4)(9)+9(9)

• 9(9)+.5(9)(4)

• .5(4)(9)+13(9)

• 13(9) - 4(2)

At a restaurant, a waiter pushed 4 identical square tables together as shown in the diagram below.  The width of each table is 5 feet.  Which of the following methods could the waiter use to determine the total serving area created by the 4 square tables?

• Multiply 5 by 5, then multiply the product by 5.

• Multiply 5 by 5, then multiply the product by 4.

• Add 4 plus 4, then multiply the sum by 5.

• Multiply 4 by 5, then add 4 to the product.