Math Problem Statement
Solution
The image contains a mathematical problem where you're tasked with finding the dimensions of a rectangle given the perimeter. The side lengths of the rectangle are represented by the expressions and . The perimeter of the rectangle is given as 32 cm.
Step-by-step Solution:
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Perimeter Formula for a Rectangle: The formula for the perimeter of a rectangle is: In this case, the length is and the width is .
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Substitute the given values: Since the perimeter is 32 cm, we can set up the equation:
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Simplify the equation: First, combine the terms inside the parentheses: Now, distribute the 2:
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Solve for : Add 4 to both sides: Now divide by 6:
Final Step: Substitute the value of into the expressions for the length and width.
- Length: cm
- Width: cm
Thus, the dimensions of the rectangle are:
- Length = 15 cm
- Width = 1 cm
Would you like a more detailed explanation or have any other questions? Here are 5 related questions to explore:
- How would the perimeter change if the expressions for the sides were different?
- What would the area of the rectangle be with these dimensions?
- How can you find the perimeter of a square with side length ?
- What happens if the perimeter was 40 cm instead of 32 cm?
- How would you solve a similar problem if given the area instead of the perimeter?
Tip: When dealing with algebraic expressions in geometric problems, always simplify the expressions before substituting values. This reduces mistakes and makes the equation easier to solve!
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Math Problem Analysis
Mathematical Concepts
Algebra
Perimeter of a Rectangle
Linear Equations
Formulas
Perimeter of a rectangle: P = 2 * (length + width)
Theorems
Solving linear equations
Suitable Grade Level
Grades 7-9
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