Let A(0,0), B(3,0), C(2,1) then area of square inscribed in the triangle ABC such that one side of square is taken along AB is..... ....

Dear student 
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For the triangle we can consider the length L to be equivalent to the base and the width W to be equivalent to the height. Thus, the area of the right triangle is: Area = 1/2 (base) x (height).