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This printable supports Common Core Mathematics Standard 3.MD.D.8

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# Perimeters of Polygons (Grade 3)

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## Perimeters of Polygons

1.
One side of an equilateral triangle is 5 centimeters long. What is the perimeter of the triangle?
1. 5 centimeters
2. 10 centimeters
3. 15 centimeters
4. 25 centimeters

2.
A square has a side length of 3 inches. What is the perimeter of the square?
1. 3 inches
2. 6 inches
3. 8 inches
4. 12 inches
3.
A rectangular classroom has a width of 6 yards and a length of 8 yards. What is the perimeter of the classroom?
1. 14 yards
2. 28 yards
3. 48 yards
4. 96 yards

4.
Each side of a pentagon measures 6 inches. What is the perimeter of the pentagon?
1. 24 inches
2. 25 inches
3. 30 inches
4. 36 inches
5.
A hexagon has equal side lengths of 2 feet. What is the perimeter of the hexagon?
1. 12 feet
2. 14 feet
3. 16 feet
4. 18 feet

6.
If each side of the polygon below measure 3 inches, what is its perimeter?
1. 12 inches
2. 15 inches
3. 18 inches
4. 21 inches
7.
If each side of the polygon below is 4 centimeters long, what is the perimeter of the polygon?
1. 24 centimeters
2. 28 centimeters
3. 32 centimeters
4. 36 centimeters

8.
John wants to build a rectangular garden in his backyard. He needs to know how much fencing he will need to buy if his garden measures 4 feet by 6 feet. Help John by finding the perimeter of the garden.
1. 24 feet
2. 20 feet
3. 16 feet
4. 10 feet
9.
What is the perimeter of the equilateral triangle if one side is 15 feet?
1. 15 feet
2. 30 feet
3. 45 feet
4. 75 feet

10.
The perimeter of regular heptagon ABCDEFG is 14. What is the length of side FG?
1. 1
2. 2
3. 6
4. 7
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