1.

The numerical value of the perimeter of a square exceeds that of its area by 4. what is the side of the square ?A. 1 unitB. 2 unitC. 3 unitD. 4 unit

Answer» Correct Answer - B
Let the side of the square `= x` units
Area of square `=x^(2)` units
and perimeter of square `=4x` unit
According to question,
`x^(2)+4=4x`
`implies x^(2)-4x+4=0`
`implies (x-2)^(2)=0`
`implies x=2`
`:.` Side of square `=2` unit


Discussion

No Comment Found

Related InterviewSolutions