if the diagonal of a rectangle is 17 cm long and its perimeter is 46 cm the area of the rectangle is
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Answer:
The area of the rectangle is 120 sq. cm.
Step-by-step explanation:
Given : If the diagonal of a rectangle is 17 cm long and its perimeter is 46 cm.
To find : The area of the rectangle is?
Solution :
Let the length of the rectangle be l
The breadth of the rectangle be b.
We have given,
Perimeter of the rectangle is 46.
Perimeter of the rectangle is given by,
Substitute,
.....(1)
If the diagonal of a rectangle is 17 cm long.
The diagonal of the rectangle is given by
......(2)
Now, Squaring the equation (1)
Substitute (2) in above equation,
We know, multiple of length and breath is area of the rectangle.
Therefore, The area of the rectangle is 120 sq. cm.
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