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Area 5 of 13
I know that for a rectangle = and = . From this find out of the rectangle.

 
 
SolutionRectangle FormulaArea Formula
Area of Rectangle
Diagonal `(d) = sqrt(l^2 + b^2)`
Perimeter `(P) = 2(l+b)`
Area `(A) = l b`

Example :
I know that for a rectangle Length = 5 and Breadth = 12 . From this find out Area of the rectangle.

`"Here one-Side " (l) = 5" and other-Side " (b) = 12" (Given)"`

`"Diagonal" = sqrt(l^2 + b^2)`

` = sqrt(5^2 + 12^2)`

` = sqrt(25 + 144)`

` = sqrt(169)`

` = 13`


`"Perimeter" = 2 * "(sum of Sides)"`

` = 2 * (5 + 12)`

` = 34`


`"Area = Product of Sides"`

` = 5 * 12`

` = 60`


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