The height of a cone increases by `2%,` its semi-vertical angle remaining the same. What is the approximate percentage increase (i) in total surface arca, (ii) in the volume.

The height of a cone increases by k % its semi-vertical angle remaining the same. What is the approximate percentage increase (i) in total surface area, and (ii) in the volume, assuming that k is small?

The height of a cone increases by k % its semi-vertical angle remaining the same. What is the approximate percentage increase (i) in total surface area, and (ii) in the volume, assuming that k is small?

The height of a cone increases by k% its semi- vertical angle remaining the same.What is the approximate percentage increase (i) in total surface area,and (ii) in the volume,assuming that k is small?

The height of a cone increases by k%, its semi-vertical angle remains the same. What is the approximate percentage increase in volume, assuming that k is small?

If the increase in the side of square is 2% then find approximate percentage of increase in its area

If the height of a cone is increased by 100% then its volume is increased by :

If the increase in the side of a square is 2% then find the approximate percentage of increase in the area of the square.

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area ?