Measuring and estimating perimeter

What is the perimeter of this shape?

• 16 cm
• 25 cm
• 26 cm
• 40 cm

Tags

CCSS.3.MD.D.8

What is the missing side length if the perimeter is 47 meters?

• 9

• 15

• 32

• 8

Tags

CCSS.3.MD.D.8

A plan for a house includes a rectangular room with an area of 80 square feet and a perimeter of 36 feet. What are the length and width of the room?

• length 40 feet and width 2 feet

• length 10 feet and width 8 feet

• length 20 feet and width 4 feet

• length 16 feet and width 5 feet

Tags

CCSS.3.MD.D.8

Find the perimeter of the triangle.

• 18

• 6

• 12

• 21

Tags

CCSS.3.MD.D.8

The total perimeter is 32 in. What is the length of the missing side?

• 12

• 8

• 6

• 32

Tags

CCSS.3.MD.D.8

What is the perimeter of the polygon?

• 36 m

• 30 m

• 10 m

• 12 m

Tags

CCSS.3.MD.D.8

Find the perimeter of this triangle.

• 20 cm

• 35 cm

• 40 cm

• 15 cm

Tags

CCSS.3.MD.D.8

How do you find the perimeter of a polygon?

Choose both methods

• multiply the length and width

• divide the length and width

• add all sides

• subtract all sides

• multiply 2 times the length, 2 times the width, and add.

Tags

CCSS.3.MD.D.8

4. Determine the perimeter of a triangle with side lengths 5.2 cm, 3.8 cm, and 4.6 cm.

• 14.5 cm

• 10.3 cm

• 6.7 cm

• 13.6 cm

Tags

CCSS.3.MD.D.8

Samuel's grandmother's has rectanglular gardent that has a perimeter of 40 feet with a width of 12. What is the length of the garden?

• 24 feet

• 8 feet

• 16 feet

• 28

Tags

CCSS.3.MD.D.8