The semi-vertical angle of a cone remains constant. If its height increases by 2%, then find the approximate increase in its volume.

The semi-vertical angle of a cone is 45^(@) . If the height of the cone is 20.025, then its approximate laternal surface area, is

The semi-vertical angle of a cone is 45^(@) . If the height of the cone is 20.025, then its approximate laternal surface area, is

The semi vertical angle of a cone is 45^@ . The height of the cone is 30.05 cm. The approximately its volume is

The semivertical angle of a cone is 45^(@) . The height of the cone is 30.05 cm. Find the approximate value of its volume

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

If the radius of a cylinder is increased by 25% and its height remains unchanged, then find the per cent increase in volume.

If the height of a cone is increased by 50%, then what is the percentage increase in the volume of the cone?

A circular metal plate expands under heating so that its radius increases by 2%. Find the approximate increase in the area of the plate if the radius of the plate before heating is 10cm.