One side of a rectangle is a inches. If the perimeter is I inches, what is the area of the rectangle in square inches?

A πa2

B a2+I2

C (Ia-2a2)/2

D (a2+2I)/π

Correct Answer: Option C

অপর বাহু= b তাহলে , 2(a+b)=l or, a+b=l/2 or, b=1/2-a or, b=l-2a/2 ক্ষেত্রফল = (l-2a/2) X a = (la-2a2) /2