The area of an equilateral triangle of side a feet is increasing at the rate of 4 sq.ft./sec .The rate at which the perimeter is increasing is

The area of an equilateral triangle of side a feet is increasing at the rate of 4sq.ft./sec.The rate at which the perimeter is increasing is

The sides of an equilateral triangle are increasing at the rate of 2 cm/sec. The rate at which the area increases, when the side is 10 cm is

The side of an equilateral triangle is 'a' units and is increasing at the rate of lambda units/sec. The rate of increase of its area, is

The length of the side of a square sheet of metal is increasing at the rate of 4cm//sec . The rate at which the area of the sheet is increasing when the length of its side is 2cm, is

The sides of an equilateral triangle are increasing at the rate of 2cm/sec. Find the rate at which the area increases,when the side is 10cm.

The side of an equilateral triangle is increasing 10 cm/sec at the rate of Find the rate of increase of its perimeter.

If perimeter of an equilateral triangle is increasing at the rate of 3cm/sec, then the circumradius of the triangle is increasing at the rate of

The side of a square is increasing at the rate of 0.2 cm/s. The rate of increase of perimeter w.r.t time is :

Areaof a square plate is increasing at the uniform rate of 2 cm^(2) /sec. Find the rate at which the perimeter is increasing when the side of the square is 16 cm long.

The sides of an equilateral triangle are increasing at the rate of 2 cm/sec. How far is the area increasing when the side is 10 cms?