Step: 1

Perimeter of a given polygon = 35 ft. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 8 ft, 11 ft, 6 ft and h. Here, we should find one missing side length.

Step: 3

The missing side length is h ft.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

8 ft + 11 ft + 6 ft = 25 ft.

[Add.]

Step: 6

Now, subtract 25 ft from the perimeter of 35 ft to know the missing side length.

Step: 7

The missing side length 'h' = 35 ft - 25 ft = 10 ft.

Step: 8

Therefore, h = 10 ft. It means that the length of the missing side is 10 ft.

Correct Answer is : 10 ft

Step: 1

Perimeter of a given polygon = 31 in. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 4 in, 9 in, 7 in and c. Here, we should find one missing side length.

Step: 3

The missing side length is c in.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

4 in + 9 in + 7 in = 20 in.

[Add.]

Step: 6

Now, subtract 20 in from the perimeter of 31 in to know the missing side length.

Step: 7

The missing side length 'c' = 31 in - 20 in = 11 in.

Step: 8

Therefore, c = 11 in. It means that the length of the missing side is 11 in.

Correct Answer is : 11 in

Step: 1

Perimeter of a given polygon = 29 in. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 9 in, 2 in, 9 in and d. Here, we should find one missing side length.

Step: 3

The missing side length is d in.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

9 in + 2 in + 9 in = 20 in.

[Add.]

Step: 6

Now, subtract 20 in from the perimeter of 29 in to know the missing side length

Step: 7

The missing side length d = 29 in - 20 in = 9 in.

Step: 8

Therefore, d = 9 in. It means that the length of the missing side is 9 in.

Correct Answer is : 9 in

Step: 1

Perimeter of a given polygon = 30 yd. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 12 yd, 5 yd, and d. Here, we should find one missing side length.

Step: 3

The missing side length is d yd.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

12 yd + 5 yd = 17 yd.

[Add.]

Step: 6

Now, subtract 17 yd from the perimeter of 30 yd to know the missing side length.

Step: 7

The missing side length d = 30 yd - 17 yd = 13 yd.

Step: 8

Therefore, d = 13 yd. It means that the length of the missing side is 13 yd.

Correct Answer is : 13 yd

Step: 1

Perimeter of a given polygon = 25 ft. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 6 ft, 6 ft, 4 ft, 4 ft and s. Here, we should find one missing side length.

Step: 3

The missing side length is s ft.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

6 ft + 6 ft + 4 ft + 4 ft = 20 ft.

[Add.]

Step: 6

Now, subtract 20 ft from the perimeter of 25 ft to know the missing side length.

Step: 7

The missing side length s = 25 ft - 20 ft = 5 ft.

Step: 8

Therefore, s = 5 ft. It means that the length of the missing side is 5 ft.

Correct Answer is : 5 ft

Step: 1

Perimeter of a given shape = 26 in. Perimeter of a shape is the sum of all the side lengths of the shape.

Step: 2

Given side lengths are 6 in, 7 in, 5 in, and s. Here, we should find one missing side length.

Step: 3

The missing side length is s in.

Step: 4

Add all the known side lengths of the given shape because perimeter is given.

Step: 5

6 in + 7 in + 5 in = 18 in.

[Add.]

Step: 6

Now, subtract 18 in from the perimeter of 26 in to know the missing side length.

Step: 7

The missing side length s = 26 in - 18 in = 8 in.

Step: 8

Therefore, s = 8 in. It means that the length of the missing side is 8 in.

Correct Answer is : 8 in

Step: 1

Perimeter of a given polygon = 25 ft. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 9 ft, 6 ft, 2 ft, 3 ft, 3 ft, and q. Here, we should find one missing side length.

Step: 3

The missing side length is q ft.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

9 ft + 6 ft + 2 ft + 3 ft + 3 ft = 23 ft.

[Add.]

Step: 6

Now, subtract 23 ft from the perimeter of 25 ft to know the missing side length.

Step: 7

The missing side length q = 25 ft - 23 ft = 2 ft.

Step: 8

Therefore, q = 2 ft. It means that the length of the missing side is 2 ft.

Correct Answer is : 2 ft

Step: 1

Perimeter of the given painting = 22 ft. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 5 ft, 6 ft, 6 ft, and s. Here, we should find one missing side length.

Step: 3

The missing side length is s ft.

Step: 4

Add all the known side lengths of the given polygon because perimeter is given.

Step: 5

5 ft + 6 ft + 6 ft = 17 ft.

[Add.]

Step: 6

Now, subtract 17 ft from the perimeter of 22 ft to know the missing side length.

Step: 7

The missing side length s = 22 ft - 17 ft = 5 ft.

Step: 8

Therefore, s = 5 ft. It means that the length of the missing side of the painting is 5 ft.

Correct Answer is : 5 ft

Step: 1

Perimeter of the given piece of gift paper = 34 in. Perimeter of a polygon is the sum of all the side lengths of the polygon.

Step: 2

Given side lengths are 9 in, 5 in, 5 in, 9 in and z. Here, we should find one missing side length.

Step: 3

The missing side length is z in.

Step: 4

Add all the known side lengths of the given piece of gift paper because perimeter is given.

Step: 5

9in + 5 in + 9 in + 5 in = 28 in.

[Add.]

Step: 6

Now, subtract 28 in from the perimeter of 34 in to know the missing side length.

Step: 7

The missing side length z = 34 in - 28 in = 6 in.

Step: 8

Therefore, z = 6 in. It means that the length of the missing side of the given piece of gift paper is 6 in.

Correct Answer is : 6 in

Step: 1

Perimeter of the given shape = 12 in. Perimeter of a shape is the sum of all the side lengths of the shape.

Step: 2

Given side lengths are 5 ft, 5 ft, and x. Here, we should find one missing side length.

Step: 3

The missing side length is x in.

Step: 4

Add all the known side lengths of the given shape because perimeter is given.

Step: 5

5 in + 5 in = 10 in.

[Add.]

Step: 6

Now, subtract 10 in from the perimeter of 12 in to know the missing side length.

Step: 7

The missing side length x = 12 in - 10 in = 2 in.

Step: 8

Therefore, x = 2 in. It means that the length of the missing side is 2 in.

Correct Answer is : 2 in

- Telling Time to the nearest Minute-Gr 3-Solved Examples
- Elapsed Time-Gr 3-Solved Examples
- Measuring Length Using Ruler-Gr 3-Solved Examples
- Estimating Metric Units-Gr 3-Solved Examples
- Using Operations to Solve Problems Involving Volume and Mass-Gr 3-Solved Examples
- Perimeter of Polygons-Gr 3-Solved Examples
- Finding Area of Rectangles by Tiling-Gr 3-Solved Examples
- Area of Plane Figures - Counting Unit Squares-Gr 3-Solved Examples
- Finding Areas of Rectilinear Figures-Gr 3-Solved Examples
- Solving Problems on Area of Rectangles-Gr 3-Solved Examples
- Representing Distributive Property Using Area Models-Gr 3-Solved Examples
- Rectangles with Same Area but Different Perimeters and Same Perimeter but Different Areas-Gr 3-Solved Examples
- Constructing Pictographs-Gr 3-Solved Examples
- Constructing Bar Graphs-Gr 3-Solved Examples
- Interpreting Bar Graphs-Gr 3-Solved Examples

- Perimeter