A rectangular strip `25 c m\ x\ 7c m` is rotated about the longer side. Find the total surface area of the solid thus generated.

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.

Find the total surface area of the cube with side 7.5 cm.

Find total surface area of a solid hemi-sphere of radius 7cm.

The sides containing right angle of a right angled triangle are 8 cm and 6 cm. It is rotated about the side of 8 cm. Find the total surface area of the formed solid.

The sides containing right angles of a right angled triangle are 8 cm and 6 cm it is rotated about its hypotenuse . Find the volume and total surface area of the solid formed.​

What is the total surface area of a cube with side 1 m ?

A right angled triangle of which the sides containing the right angle are 6.3 cm and 10cm in length, is made to turn round on the longer side. Find the volume of the solid, thus generated. Also, find its curved surface area.

The sides containing right angles of a right angled triangle are 8 cm and 6 cm. It is rotated about its hypotenus. Find the volume and total surface area of the formed solid.