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 ?

The measurements of the luggage box are 48 cm, 36 cm, and 28 cm. How many sq. cm of cloth is required to make a cover for the box ?

The pillars of a temple are cylindrically shaped (see Fig. 13.26). If each pillar has a circular base of radius 20 cm and height 10 m, how much concrete mixture would be required to build 14 such pillars?

A floral design on a floor is made up of 16 tiles which are triangular , the sides of the triangle being 9 cm , 28 cm and 35 cm (See figure). Find the cost of polishing the tiles at the rate of 50 p per cm^(2) .

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

A wooden article was made by scooping out a hemisphere form each end of a solid cylinder, as shown in Fig. If the height of the cylinder is 10cm and its base radius 3.5cm find the total surface area of the article.

A kite is in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be made of three different shades as shown in Fig. How much paper of each side has been used in it ?

A kite is in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be made of three different shades as shown in Fig. How much paper of each side has been used in it ?