Math Problem Statement
area is 24cm Perimeter is 24cm No complicated stuff please No quadratics Tell me the length and width
Solution
To find the length and width of a rectangle given the area and perimeter, we can use two simple formulas:
- Area (A):
- Perimeter (P):
We know:
Let's call the length and the width .
From the perimeter formula, we can express one equation:
From the area formula:
Now, we have the system of equations:
We can solve for one variable, say , from the first equation:
Substitute this into the second equation: Expanding this: Simplifying:
This is a quadratic equation, but since you asked for no quadratic solving, you can use trial and error or estimation to find that the length is approximately 6 cm and the width is approximately 4 cm.
Would you like more details on this process or have any questions?
Here are 5 related questions:
- How would the dimensions change if the perimeter were increased?
- What if the area were doubled, but the perimeter stayed the same?
- How do you solve for dimensions if the shape is a square?
- Can you find the diagonal length of the rectangle using these dimensions?
- How would this problem change if you were working with a triangle?
Tip: For problems like this, even if quadratic equations arise, simple estimation or factoring can help if you avoid formal quadratic solutions!
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Math Problem Analysis
Mathematical Concepts
Geometry
Rectangular Area
Perimeter
Formulas
Area (A) = length × width
Perimeter (P) = 2(length + width)
Theorems
-
Suitable Grade Level
Grades 5-7
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