
If in a rectangle, the length is increased and breadth reduced each by 2 units, the area reduces by 28 square units. If, however, the length is reduced by 1 unit and the breadth increased by 2 units, the area increases by 33 square units. Find the area of the rectangle.
Answer
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Hint – We will start solving this question by making two different equations by using the given information and after solving those equations we will find the area of the rectangle by using the formula of the area of the rectangle, i.e., Length Breadth.
Complete step-by-step answer:
It is given that in a rectangle, when the length is increased and breadth is reduced each by 2 units, the area reduces by 28 square units and when the length is reduced by 1 unit and the breadth increased by 2 units, the area increases by 33 square units, so by using this we can make two different equations.
For which, let the length of the rectangle be units and the breadth be units.
We know that,
Area of the rectangle = Length Breadth
sq. units
Now, we will make equations from the given information.
……… (1)
and, ……... (2)
Taking equation (1),
………… (i)
Now, taking equation (2),
………… (ii)
Substituting equation (i) in equation (ii), we get,
Now, substituting in equation (i), we obtain
Therefore, length of the rectangle units
and breadth of the rectangle units
Hence, area of the rectangle Length Breadth
Area of the rectangle is 253 square units.
Note – A rectangle is a quadrilateral with four straight sides and four right angles. It has unequal adjacent sides, in contrast to a square. These kinds of questions are very simple and easy to solve if one understands the question properly and knows all the basic formulas.
Complete step-by-step answer:
It is given that in a rectangle, when the length is increased and breadth is reduced each by 2 units, the area reduces by 28 square units and when the length is reduced by 1 unit and the breadth increased by 2 units, the area increases by 33 square units, so by using this we can make two different equations.
For which, let the length of the rectangle be

We know that,
Area of the rectangle = Length
Now, we will make equations from the given information.
and,
Taking equation (1),
Now, taking equation (2),
Substituting equation (i) in equation (ii), we get,
Now, substituting
Therefore, length of the rectangle
and breadth of the rectangle
Hence, area of the rectangle
Note – A rectangle is a quadrilateral with four straight sides and four right angles. It has unequal adjacent sides, in contrast to a square. These kinds of questions are very simple and easy to solve if one understands the question properly and knows all the basic formulas.
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