Algebra 1: Perimeter Problems Flashcards
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Algebra 1: Perimeter Problems Flashcards

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Questions and Answers

What does x equal if the width of the rectangle is 4x + 2 and the length is x + 4, with a perimeter of 52 ft?

4

What does x equal if the length of a rectangle is x and the width is 4 inches less than 3 times the length, with a perimeter of 32 inches?

5

How long is the length if a rectangular park has a perimeter of 90 ft, with the length as 4x + 1 and width as 6x + 4?

17

What is the width if a rectangle's length is 4 times its width and the perimeter is 80?

<p>8</p> Signup and view all the answers

What is the length if a rectangle's length is one more than 4 times its width, with a perimeter of 72?

<p>29</p> Signup and view all the answers

What is the width of a rectangle if the width is 3 more than 2 times its length and the perimeter is 54?

<p>19</p> Signup and view all the answers

What does x equal if a rectangle has a length of x + 1 and a width of x + 3, with a perimeter of 48?

<p>10</p> Signup and view all the answers

What is the length if a rectangle has a length that is 2 more than its width and the perimeter is 40?

<p>11</p> Signup and view all the answers

What is the length if a rectangle's length is 1 less than 5 times its width and the perimeter is 34?

<p>14</p> Signup and view all the answers

What is the length if a rectangle's width is 2 more than 4 times the length and the perimeter is 114?

<p>11</p> Signup and view all the answers

What are the length and width of a rectangle if the length is 4 more meters than its width and the perimeter is 36 meters?

<p>Length: 11 meters, Width: 7 meters</p> Signup and view all the answers

What are the length and width of a rectangle if the length is 3 times the width and the perimeter is 48 centimeters?

<p>Length: 18 cm, Width: 6 cm</p> Signup and view all the answers

What are the dimensions of a rectangle if its length is 2 more than 3 times the width and the perimeter is 36 inches?

<p>Length: 14 inches, Width: 4 inches</p> Signup and view all the answers

What are the lengths of all sides of a triangle with two equal sides and where the third side exceeds the other by 7 feet, given a total perimeter of 25 feet?

<p>6 feet, 6 feet, 13 feet</p> Signup and view all the answers

What are the length and width of a rectangle if the length is 4 more inches than its width and the perimeter is 36 inches?

<p>Width: 7 inches, Length: 11 inches</p> Signup and view all the answers

What are the dimensions of a rectangle if the length is 3 times the width and the perimeter is 48 inches?

<p>Width: 6 inches, Length: 18 inches</p> Signup and view all the answers

What are the dimensions of a rectangle if the width is six less than the length and the perimeter is 16 inches?

<p>Length: 7 inches, Width: 1 inch</p> Signup and view all the answers

What are the dimensions of a rectangle if the length is four more than five times the width and the perimeter is 32 inches?

<p>Width: 2 inches, Length: 14 inches</p> Signup and view all the answers

Study Notes

Perimeter Problems Overview

  • The perimeter of a rectangle can be calculated using the formula: Perimeter = 2(Length + Width).
  • Different problems present relationships between length and width, often defined in terms of a variable (x).

Specific Problems and Solutions

  • Problem 1: Width = 4x + 2, Length = x + 4; Perimeter = 52 ft

    • Solution: x = 4
  • Problem 2: Length = x, Width = 3x - 4; Perimeter = 32 in

    • Solution: x = 5
  • Problem 3: Length = 4x + 1, Width = 6x + 4; Perimeter = 90

    • Solution: Length = 17
  • Problem 4: Length = 4 * Width; Perimeter = 80

    • Solution: Width = 8
  • Problem 5: Length = 4 * Width + 1; Perimeter = 72

    • Solution: Length = 29
  • Problem 6: Width = 2 * Length + 3; Perimeter = 54

    • Solution: Width = 19
  • Problem 7: Length = x + 1, Width = x + 3; Perimeter = 48

    • Solution: x = 10
  • Problem 8: Length = Width + 2; Perimeter = 40

    • Solution: Length = 11
  • Problem 9: Length = 5 * Width - 1; Perimeter = 34

    • Solution: Length = 14
  • Problem 10: Width = 4 * Length + 2; Perimeter = 114

    • Solution: Length = 11

Rectangle Dimensions

  • Problem 11: Length = Width + 4; Perimeter = 36 m

    • Solution: Length = 11 m, Width = 7 m
  • Problem 12: Length = 3 * Width; Perimeter = 48 cm

    • Solution: Length = 18 cm, Width = 6 cm
  • Problem 13: Length = 3 * Width + 2; Perimeter = 36 in

    • Solution: Length = 14 in, Width = 4 in

Triangle Perimeter Problem

  • Problem 14: Two sides equal, third side = one side + 7 ft; Total Perimeter = 25 ft
    • Solution: Side lengths = 6 ft, 6 ft, 13 ft

Additional Equations and Solutions

  • Problem 15: Length = Width + 4; Perimeter = 36 in; Equation set with Width = x

    • Solution: Width = 7 in, Length = 11 in
  • Problem 16: Length = 3 * Width; Perimeter = 48 in; Equation set with Width = x

    • Solution: Width = 6 in, Length = 18 in
  • Problem 17: Width = Length - 6; Perimeter = 16 in; Equation set with Length = x

    • Solution: Length = 7 in, Width = 1 in
  • Problem 18: Length = 5 * Width + 4; Perimeter = 32 in; Equation set with Width = x

    • Solution: Width = 2 in, Length = 14 in

Key Relationships in Rectangles

  • Length and width can be expressed as functions of one another.
  • Perimeter provides a constraint to find unknown dimensions.
  • Problems designed with variable expressions enhance algebraic understanding.

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Test your understanding of perimeter problems in Algebra 1 with these flashcards. Each card presents a different problem involving the dimensions of rectangles and requires you to solve for 'x'. Challenge yourself and improve your algebra skills!

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