Composite Figures Real Life Application

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

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

Braylon needs to purchase new glass for the window pictured below.  About how many square feet of glass will he need to purchase?(the lengths are for the entire side, not just one window pane.) Use 3 for pi. 

• about 19.2ft ²

• about 23ft²

• about 21.5ft²

• about 6ft²

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

Determine the area of the composite figure.

• 52.8m²

• 53.8m²

• 50.8m²

• 51.8m²

A carpenter planned to change a round tabletop into a square tabletop.  He wanted to attach the square piece to the original round tabletop as shown below.  How could he determine the area of the square piece?

• Square the diameter of the circle.

• Square the radius of the circle.

• Square the radius of the circle and multiply by pi.

• Multiply the diameter of the circle by 4.

• 276
• 114
• 247
• 390 

• 113.1
• 173.1
• 60
• 285

• 153
• 127.23
• 325.23
• 198

• 207.36
• 134.2
• 368.12
• 410.68