Math Problem Statement
the length and width of the rectangle is in the ratio 5:3. It’s area is 375m^2. Find its perimeter
Solution
Let the length and width of the rectangle be and respectively, where is a common factor. The area of the rectangle is given by:
Substituting the expressions for length and width:
Now, solve for :
Taking the square root of both sides:
Now, find the actual length and width:
- Length
- Width
The perimeter of the rectangle is given by:
Final Answer: The perimeter of the rectangle is 80 meters.
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Related Questions:
- What would be the perimeter if the area was doubled while keeping the same ratio?
- How would the dimensions change if the ratio was 4:3 with the same area?
- What is the diagonal length of this rectangle?
- How would the perimeter change if both length and width were increased by 20%?
- Can you find the side length of a square with the same area?
Tip: When dealing with ratios and areas, always express dimensions in terms of a common variable to simplify calculations.
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Math Problem Analysis
Mathematical Concepts
Algebra
Geometry
Ratios
Area
Perimeter
Formulas
Area = length × width
Perimeter = 2(length + width)
Theorems
Basic properties of rectangles
Solving quadratic equations
Suitable Grade Level
Grades 7-9
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