While measuring the side of an equilateral triangle an error of k% is made, the percentage error in its area

If there is an error of 0.02 cm , while measuring the side of an equilateral triangle as 2 cm , then the percentage error in area is

If there is an error of 0.05 cm while measuring the side of an equilateral triangle ás 10 cms, then the percentage error in area is

If there is an error of 0.05 cm, while measuring the side of an equilateral triangle as 5 cm, then the percnetage error in area is

If the error in measuring the side l of an equilateral triangle is 0.01, then the percentage error in the area of the triangle, in terms of its side l is

If each side of an equilateral triangle is tripled, then find the percentage increase in its area.

An equilateral triangle is of side 10 units. In measuring the side, if an error of 0.05 unit is made. Then, the percentage error in the area of the triangle is

In measuring the circumference 100cm of a circle, there is an error of 0.05 cm then the percentage error in its area is

In measuring the side of a square, an error of 5% in excess is made. The error % in the calculated area is,

The area of triangle is measured in terms of b,c,A. If A=63^(@) and there is an error of 15' in A, the percentage error in the area is