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.
Q4:
Find the perimeter of the shape below.
Q5:
What is the perimeter of the shape below?
Q6:
Find the perimeter of the shape.
Q7:
If the perimeter of the shown figure is 54, determine the length of the last side.
Q8:
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
Q9:
Given that the perimeter of the figure is 40 yd, determine the length of the missing side.
Q10:
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?
Q11:
The perimeter of a regular heptagon is 42. What is the length of a side?
Q12:
What is the side of a regular hexagon of perimeter 966?
Q13:
What is the perimeter of the following hexagon?
Q14:
How many units of length is the perimeter of the hexagon?
Q15:
Benjamin’s garden has 5 sides which are equal in length. If each side is 18 feet long, determine its perimeter.
Q16:
The perimeter of the shape is length units.
Q17:
Find the perimeter of a triangle whose side lengths are 7, 25, and 22.
Q18:
Find the perimeter of a triangle whose side lengths are 8 cm, 10 cm, and 4 cm.
Q19:
A triangle of perimeter 37 has two sides of lengths 11 and 8. What is the length of the third side?
Q20:
Calculate the perimeter of the triangle.
Q21:
Determine the perimeter of the triangle whose sides have the same length of 22 cm.
Q22:
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?
Q24:
What is the perimeter of the given shape?
Q25:
Which shape has the biggest perimeter?
- AShape A
- BShape B
- CShape C