Perimeter of Unknown

Mrs.Thompson uses a ruler to draw a square. The perimeter of the square is 20 centimeters. What side length does the square have (what does "s" equal)?

• s=20

• s=80

• s=4

• s=5

What is the unknown side (R) if the perimeter is 30 feet?

• R= 7 ft

• R= 6 ft

• R= 30 ft

• R= 11 ft

The rectangle below has a perimeter of 60. Find the lengths of the unknown side. That is, find S.

• S= 20

• S= 40

• S= 10

• S= 15

What is the length of the missing side (x) if the perimeter is 34?

• x= 10

• x= 9

• x= 11

• x= 8

Find the unknown side length if the perimeter is 30 cm.

• 5 cm

• 4 cm

• 8 cm

• 10 cm

The perimeter of the shape is 24 meters. Find the unknown side length, w.

• 4

• 21

• 3

• 7

Find the unknown side length if the perimeter is 30 cm.

• 5 cm

• 4 cm

• 8 cm

• 10 cm

Find the unknown side length if the perimeter is 29 cm.

• 10 cm

• 6 cm

• 8 cm

• 7 cm

​ ​ (a)   a linear measurement of the distance around the outer edge of a figure

• perimeter

• area

• length

The distance around a shape is its .

(a)  

• Perimeter

• Area

Tags

4.5.D