an error 17 % in excess is made while measuring the side of a square . now what is the percentage of error in the calculated area of the square ?
"percentage error in calculated area = ( 17 + 17 + ( 17 ã — 17 ) / 100 ) % = 36.89 % answer : b"
divide(multiply(subtract(square_area(add(const_100, 17)), square_area(const_100)), const_100), square_area(const_100))