A semi-circle of radius 17.5 cm is rotated about its diameter. Find the curved surface of so generated solid.

A semicircle of radius 17.5 cm is ratiatied about its diameter. Find the curved surface of so generated solid

A semicircle of radius 17.5 cm is ratiatied about its diameter. Find the curved surface of so generated solid

A hemisphere has 28 cm diameter. Find its curved surface area

In fig., ABC is a quadrant of a circle of radius 14 cm and a semi circle is drawn with BC as diameter. Find the area of the shaded region.

A rectangular sheet of dimensions 25 cm xx 7 cm is rotated about its longer side. Find the volume and the whole surface area of the solid thus generated.

The area of the base of a conical solid is 38.5 cm^(2) and its volume is 154 cm^(3). Find the curved surface area of the solid.

A unifrom circular disc of mass 200g and radius 4 cm is rotated about one of its diameters at an angular speed of 10 rad//s . Find its abgular momentum about the axis of rotation ?

A rectangle is inscribed in a semi-circle of radius r with one of its sides on diameter of semi-circle.Find the dimensions of rectangle so that the area is maximum.Find the area also.

BCP is a quadrant of a circle of radius 14cm. With AC as diameter,a semi-circle is drawn. Find the area of the shaded portion.