Finding Area and Perimeter of Composite Figure

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

Find the area of the composite shape.

• 24 units²

• 20 units²

• 21 units²

Find the area.

• 50 units²

• 200 units²

• 250 units²

• 300 units²

Which measurement is best for determining the distance walking around the edge of a park?

• area

• perimeter

What is the area of the BLUE triangle?

• 21

• 42

• 84

• 168

A figure that is made up of two or more simpler figures, such as triangles and quadrilaterals.

• polygon

• composite figure

• triangle

• regular polygon

Farmer Bob needs to build a fence to keep his chickens in the yard.  The yard is 40 feet long and 20 feet wide.  How much fence will he need?  
(THINK, is he finding the area or the perimeter?)
Draw and label the picture

• 800 square feet

• 120 feet

• 60 feet

• 600 square feet

What is the area of the composite figure?

• 40 sq cm

• 65 sq cm

• 52.5 sq cm

• 25 sq cm

• 54 cm2
• 45 cm2
• 63 cm2
• 36 cm2

What is the area of the composite figure?

• 48 cm²

• 90 cm²

• 78 cm²

• 12 cm²