In Fig., you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade. Assume `pi = 22/7`

The students of a Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition?Assume pi = 22/7 , unless stated otherwise.

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm, find height of the cone. Assume pi = 22/7 , unless stated otherwise.

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm, find slant height of the cone. Assume pi = 22/7 , unless stated otherwise.

A compnay packages its milk powder in cylindrical container whose base has a diameter of 14 cm and height 20 cm.Company places a label around the surface of the container (as shown in the figure).If the label is placed 2 cm from top and bottom,what is the area of the label?

The rain water from a roof 22 m xx 20 m drains into a cylindrical vessel having diameter of base 2 m and height 3.5 m. If the vessel is just full, find the rainfall in cm

An umbrella is made by stitching 10 triangular pieces of cloth of two different colours (See Fig. ) each piece measuring 20 cm, 50 cm and 50 cm. How much cloth of each colour is required for the umbrella ?

An umbrella is made by stitching 10 triangular pieces of cloth of two different colours (See Fig. ) each piece measuring 20 cm, 50 cm and 50 cm. How much cloth of each colour is required for the umbrella ?

Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area. Assume pi = 22/7 , unless stated otherwise.