Geometry Answers

Find the cost of the paper for the walls of the room if each piece of paper is 40 cm wide and 60 cm long : the room is 6 m long, 4 m wide, 3 m high and the cost of paper is Rs 1.40 per piece; allow 11 m square for doors, etc., and assume that a whole number of pieces has to be bought.

How many dusters, each 16 cm square can be cut from material 84 cm long, 36 cm wide? What area remains over?

An open tin box, 21 cm long, 9 cm wide, 8 cm high, is fitted with a thin lid which overlaps to a depth of 1 cm all round. What is the total area of tin sheeting used for the box and the lid?

A cistern 6 m long, 4 m wide, contains water to a depth of 1 m 25 cm : find the area of the wet surface.

Find the area of the thin sheeting required for making an open cistern (i.e.without a lid), 5 m long, 3 m wide, 4 m deep.

The perimeter of one square is 748 cm and that of another is 336 cm. Find the perimeter and the diagonal of a square which is equal in area to these two.

The cost of levelling a rectangular field at the rate of 85 paise per square metre is Rs 624.75. Find the perimeter of the field if its sides are in the ratio 5:3.

A plot 110 metres long and 80 metres broad is to be covered with grass leaving 5 metres all around. Find the area to be laid with grass.

A room is 12 m by 10 m. Find the cost of covering its floor with bricks 20 cm by 6 cm, if the cost of one thousand bricks is Rs 300.

What is area? and what is the area of square area of tringle area of rectangle