A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of `115o` . Find the total area cleaned at each sweep of the blades.

A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115^@ . Find the total area cleaned at each sweep of the blades.

The length of each edge of a rectangular box is l cm. Find its total surface area.

Two cubes each of volume 125 cm^3 are joined end to end together. Find the total surface area of the resulting cuboid.

A rhombus of side 20cm has two angles of 60^0 each. Find the length of the diagonals.

A line segment of length 84 cm has been divide into two parts in the ratio 4 : 3 . Find the length of each part

Two cubes with each side 10 cm are joined are joined end to end . Find the total surface area of the resulting cuboid.

An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 rpm, find the acceleration of a point on the tip of a blade.

Through a rectangular field of sides 90 m xx 60 m , two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the field. If the width of the roads is 3 m, find the total area covered by the two roads.

Find the area of a trapezium whose parallel sides of lengths 10cm and 15cm are at a distance of 6cm from each other. Calculate this area as (a) the sum of the areas of two triangles and one rectangle. (b) the difference of the area of a rectangle and the sum of the areas of two triangles.

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.