The perimeter of a square and a rectangle is the same. If a side of the square is 15 cm and
one side of the rectangle is 18 cm, find the area of the rectangle.
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As the perimeter is same so first we will find perimeter of square .
Perimeter of square = 4*side
= 4*15
= 60 cm is the perimeter
Therefore rectangle's perimeter is also same .
Perimeter = 2(l+b)
60 = 2(18+b)
60=36+2b
60-36=2b
24=2b
24/2=b
12=b
Breadth of Triangle is 12 .
Area of rectangle = l*b
= 18*12
= 216 cm sq is the area
May the answer will help uu
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