Notes on Perimeter of Irregular Shapes

Determine the perimeter of this shape.

• 17 units

• 18 units

• 20 units

• 16 units

The perimeter is 40 ft. What is the length of the missing side?

• 12 ft

• 10 ft

• 3 ft

• 24 ft

What is the perimeter of this shape?

• 30cm

• 32cm

• 60cm

• 20cm

Izzy measured the perimeter of a science table. The table has 4 sides, but is not a rectangle. -The longest side measured 24 feet. -Two sides measured 13 feet. -The total perimeter of the table is 89 feet. What is the length of the side that Izzy did not measure?

• 26 feet

• 39 feet

• 37 feet

• 24 feet

What is the perimeter of this shape?

• 16 units

• 20 units

• 18 units

• 19 units

What is the perimeter of this shape?

• 22 units

• 20 units

• 22 units

• 19 units

What is the perimeter of this shape?

• 17mm²

• 17mm

• 168mm

• 13mm

What is the perimeter of this shape?

• 25 in

• 24 in

• 20 in

• 26 in

The model below represents a new building.

What is the perimeter of the building?

• 76 feet

• 43 feet

• 78 feet

• 74 feet

What is the perimeter of this shape?

• 35 cm

• 38 cm

• 30 cm

• 39 cm