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We all know that Area = Length * Breadth for a rectangle. My question is how did we derive this formula in the first place ?

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by sshobha

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by sshobha

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For Instance let us consider a rectangle on a graph sheet, perfectly situating on the both x axis and y axis.

Now, count the number of boxes it covers, that is called as area.

This number is same as the multiplication of the x axis and y axis of the rectangle.

A= X*Y

use 1 by 1 square and start placing them on the grid

when the grid is filled properly then count the number of square in the grid=10

then multiply the length and bredth =10

since L*B=10 and area of grid is also = 10

therefore L*B= area of grid

Hence verified

hope this helps you

With Reguards

Vishwas Choudhary