3. The perimeter of a rectangle is numerically equal to the area of the rectangle. If the width of rectangle is
5×3/2m, find its length.
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Answer:
- The length of the rectangle is 30/11 m.
Step-by-step explanation:
Given that:
- The perimeter of a rectangle is numerically equal to the area of the rectangle.
- The width of the rectangle is 5 × 3/2m
To Find:
- The length of the rectangle.
Solution:
Width of the rectangle = 5 × 3/2m = 15/2 m
As we know that:
- Perimeter of rectangle = 2(Length + Breadth)
- Area of rectangle = Length × Breadth
According to the question:
⇢ Perimeter of the rectangle = Ar. of the rectangle
Substituting the values,
Solving further,
Transposing 2L from LHS to RHS and changing its sign,
Subtracting,
Transposing 2 from RHS to LHS and changing its sign,
Multiplying,
Transposing 11 from RHS to LHS and changing its sign,
Hence,
- Length of the rectangle is 30/11 m.
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