A hand fan is made by stitching 10 equal size triangular strips of two different types of paper as shown in figure. The dimensions of equal strips are 25 cm, 25 cm and 14 cm. Find the area of each type of paper needed to make the fan.

A design is made on a rectangular tile of dimensions "50 cm" xx "70 cm" as shown in figure. The design shows 8 triangle, each of sides 26 cm , 17 cm and 25 cm . Find the total area of the design and the remaining area of the tiles.

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

A very long straight conductor and an isosceles triangular conductor lie in a plane and are separated from each other as shown in the figure. If a = 10 cm, b = 20 cm, and h = 10 cm find the coefficient of mutual induction.

A very long straight conductor and an isosceles triangular conductor lie in a plane and are separated from each other as shown in the figure. If a = 10 cm, b = 20 cm, and h = 10 cm find the coefficient of mutual induction.

A small indoor green house (herbarium) is made entirely of glass panes (including base) held together with tape. The dimensions of the green house are 40cm xx 30cm xx 25cm . Find: the area of the glass used

If the perimeter of a trapezium be 52cm , its non parallel sides are equal to 10cm each and its altitude is 8cm, find the area of the trapezium.

The parallel sides of a trapezium are 25cm and 13cm; its nonparallel sides are equal, each being 10cm, find the area of the trapezium.

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume of wood in the entire stand.

A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. The dimensions of the cuboid are 15 cm by 10 cm by 3.5 cm. The radius of each of the depressions is 0.5 cm and the depth is 1.4 cm. Find the volume o

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