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Lesson: Finding the Perimeter of a Rectangle

Sample Question Videos

Worksheet • 25 Questions • 1 Video

Q1:

Using the formula 2 𝑙 + 2 𝑀 , where 𝑙 represents the length and 𝑀 the width, find the perimeter of the given rectangle if 𝑙 = 5 and 𝑀 = 2 .

Q2:

Fill in the blanks in the table.

Length of Rectangle Width of Rectangle Length + Width Its Perimeter
β‹― dm 59 dm β‹― dm 1 4 0 Γ— 2 = 2 8 0 d m
  • ALength is 81 dm, sum is 140 dm.
  • BLength is 59 dm, sum is 118 dm.
  • CLength is 59 dm, sum is 140 dm.
  • DLength is 221 dm, sum is 280 dm.

Q3:

Fill in the blanks in the table.

Length of Rectangle Width of Rectangle Length + Width Its Perimeter
β‹― dm 31 dm β‹― dm 9 8 Γ— 2 = 1 9 6 d m
  • ALength is 67 dm, sum is 98 dm.
  • BLength is 31 dm, sum is 62 dm.
  • CLength is 31 dm, sum is 98 dm.
  • DLength is 165 dm, sum is 196 dm.

Q4:

Fill in the blanks in the table.

Length of Rectangle Width of Rectangle Length + Width Its Perimeter
β‹― dm 43 dm β‹― dm 1 3 7 Γ— 2 = 2 7 4 d m
  • ALength is 94 dm, sum is 137 dm.
  • BLength is 43 dm, sum is 86 dm.
  • CLength is 43 dm, sum is 137 dm.
  • DLength is 231 dm, sum is 274 dm.

Q5:

The given rectangle has a width of 4.7 feet and a perimeter of 𝑃 feet. Which of the following could be used to determine the length of the rectangle?

  • A 𝑃 = 2 𝑙 + 9 . 4
  • B 𝑃 = 4 . 7 𝑙
  • C 𝑃 = 𝑙 + 4 . 7
  • D 𝑃 = 2 𝑙 + 4 . 7
  • E 𝑃 = 𝑙 + 9 . 4

Q6:

The given rectangle has a width of 6.23 feet and a perimeter of 𝑃 feet. Which of the following could be used to determine the length of the rectangle?

  • A 𝑃 = 2 𝑙 + 1 2 . 4 6
  • B 𝑃 = 6 . 2 3 𝑙
  • C 𝑃 = 𝑙 + 6 . 2 3
  • D 𝑃 = 2 𝑙 + 6 . 2 3
  • E 𝑃 = 𝑙 + 1 2 . 4 6

Q7:

The length of a rectangle is 5 cm greater than its width. If the width is 52 cm, what is its perimeter?

Q8:

The length of a rectangle is 2 cm greater than its width. If the width is 11 cm, what is its perimeter?

Q9:

Find the perimeter of a rectangle with length 90 dm and width equal to half its length.

Q10:

Find the perimeter of a rectangle with length 8 dm and width equal to half its length.

Q11:

The width of a rectangular piece of land is 1 8 of its length. If the width is 7 m, what is the perimeter?

Q12:

The width of a rectangular piece of land is 1 4 of its length. If the width is 9 m, what is the perimeter?

Q13:

How many rectangles can be drawn in the given grid, such that the vertices of each rectangle coincide with four of the dots and that each rectangle’s perimeter equals 10 cm?

Q14:

Which has the longer perimeter, a rectangle with length 13 cm and width 7 cm, or a square with side length 4 cm?

  • Asquare
  • Brectangle

Q15:

Which has the longer perimeter, a rectangle with length 8 cm and width 4 cm, or a square with side length 5 cm?

  • Asquare
  • Brectangle

Q16:

Which has the longer perimeter, a rectangle with length 10 cm and width 2 cm, or a square with side length 11 cm?

  • Arectangle
  • Bsquare

Q17:

Find the length of a rectangle whose perimeter is 68 cm and width is 11 cm.

Q18:

The width of a rectangle is 1 4 of its length. The width is 15 mm. Find the perimeter of the rectangle in millimeters.

Q19:

Calculate the length of a rectangle whose perimeter is 164 dm and width is 12 dm.

Q20:

What is the perimeter of a rectangle in decimeter whose dimensions are 7 m and 90 dm?

Q21:

Find the perimeter of a rectangular lot that is 27 feet long and 19 feet wide.

Q22:

Calculate the width of a rectangle whose perimeter is 118 and length is 36.

Q23:

Suppose rectangle with , , on , and on with and perpendicular to . Find the perimeter of .

Q24:

Noah crafted a wooden rectangular frame that is 39 inches long and 21 inches wide. If he charges $1.50 per foot, determine the amount of money he will sell the frame for.

Q25:

Calculate the perimeter of a rectangle whose length is 8 cm and width is 6 cm.

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