Understanding Perimeter and Area of Composite Shapes

What is the first step in finding the perimeter of a composite shape?

• Add the lengths of all the vertical sides

• Identify and calculate any missing side lengths

• Calculate the area of the shape

• Divide the shape into simpler shapes

What is the perimeter of a shape with sides measuring 6, 11, 14, 4, 8, and 7 feet?

• 60 feet

• 50 feet

• 70 feet

• 40 feet

Tags

CCSS.3.MD.D.8

How do you find the area of a composite shape?

• By dividing the shape into simpler shapes and calculating each area

• By adding the perimeter of all individual shapes

• By multiplying the length by the width of the shape

• By measuring the height of the shape

What formula is used to calculate the area of a rectangle?

• Area = length + width

• Area = length / width

• Area = (length + width) x 2

• Area = length x width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If one side of a rectangle is 7 feet and another is 6 feet, what is the area?

• 42 square feet

• 12 square feet

• 13 square feet

• 48 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3