Lesson Worksheet: Perimeter of Polygons Mathematics • 3rd Grade
In this worksheet, we will practice measuring the lengths of shapes and adding to find their perimeter.
Find the perimeter of the shape below.
What is the perimeter of the shape below?
Find the perimeter of the shape.
If the perimeter of the shown figure is 54, determine the length of the last side.
A square has side lengths of 10 cm and a triangle has sides of length 13 cm, 12 cm, and 3 cm. Which shape has the longer perimeter?
- Athe triangle
- Bthe square
Given that the perimeter of the figure is 40 yd, determine the length of the missing side.
The lengths of two sides of an octagon-shaped table are 24 feet each, and the other six sides are 8 feet each. What is the perimeter of that table?
The perimeter of a regular heptagon is 42. What is the length of a side?
What is the side of a regular hexagon of perimeter 966?
What is the perimeter of the following hexagon?
How many units of length is the perimeter of the hexagon?
Benjamin’s garden has 5 sides which are equal in length. If each side is 18 feet long, determine its perimeter.
The perimeter of the shape is length units.
Find the perimeter of a triangle whose side lengths are 7, 25, and 22.
Find the perimeter of a triangle whose side lengths are 8 cm, 10 cm, and 4 cm.
A triangle of perimeter 37 has two sides of lengths 11 and 8. What is the length of the third side?
Calculate the perimeter of the triangle.
Determine the perimeter of the triangle whose sides have the same length of 22 cm.
A triangle has a perimeter of 44. If two of the sides have lengths 19 and 13, what is the length of the third side?
What is the perimeter of the given shape?
Which shape has the biggest perimeter?
- AShape A
- BShape B
- CShape C