The figure given below has the total length 20cm height and common diameter 6cm. Find the volume of the figure.

In a circle a chord of length 42 cm is 20 cm away from the centre. Find the radius of the circle.

A hemisphere and a cone with same radii are attached to get a solid as given in the figure. Radius of the hemisphere is 9 cm. The height of the two solids together is 21 cm. Find the volume of the solids. .

A hemisphere and a cone with same radii are attached to get a solid as given in the figure. Radius of the hemisphere is 9 cm. The height of the two solids together is 21 cm.Find the volume of the cone. .

In the figure given below, ABCD is a parallelogram. AB= 10cm. The distance between AB and CD is 6 cm. find the area of triangleABE . Draw a right triangle of area same as the parallelogram ABCD.

Height of a prism is 15 cm . Its base is a triangle and the perpendicular sides of the triangle are of lengths 6 cm and 8 cm . a) What is the volume of the prism? b) Find the lateral surface area of the prism.

Slant height of a square pyramid is 30 cm and surface area 3456cm^2 . Find the volume of the pyramid?

An object of height 3 cm is placed in front of a convex lens of focal length 20 cm at a distance of 30 cm. What is the height of the image ?

A right circular cylinder is inscribed in a given cone of radius R cm and height H cm as shown in the figure. Find the Surface area S of the circular cylinder as a function of x.