How to use hit and trial method

A marble tile measures 25 cm by 20 cm. How many tiles will be required to cover a wall of size 4m by 3m. ?

 and what do we call a 12 sided  figure 13,14 and so on till 20

How many envelopes can be made out of a sheet of paper 3 m 24 cm by 1 m 72 cm , if each envelope requires a piece of paper of size 18 cm by 12 cm ?

the adjacent sides of a parallelogram are 15cm and 8cm. If the distance between the longer sides is 4cm ,find the distance between the shorter sides ?

I wanted to know how to solve it

How can you construct an angle of 115 degree with the help of only compass???

What is SQUARE ROOT ?

What is the formula of SQUARE ROOT ?

What is the SQUARE ROOT OF A NUMBER ?

PLEASE TELL ME FAST BRIEFLY.

I REALLY DON'T UNDERSTAND ANYTHING ABOUT SQUARE ROOT.

I HAVE A QUESTION GIVEN BELOW WHICH I DONOT UNDERSTAND.

Question---- The area of a square seat is 961 sq.cm. How much is its side ???

Find the cost of fencing a square park of side 250 m at the rate of Rs 20 per metre.

Q1) A room is 4m and 3m 50cm wide.How many sq.m of carpet is needed to cover the floor of the room?

plssss answer fasssssssstttttttttttttttttt !!!!!!!!!!!!

 A Lane, 150m long & 9m wide is to be paved with bricks. each measuring 22.5cm by 7.5cm. Find the number of bricks required>

How many rectangles can be drawn with 24 cm as perimeter when the sides are posetive integers in centimeters?? PLZZZ REPLY FAST MY EXAM IS CUM9

A rectangular carpet has area 120m² and perimeter 46 metres. The length of its diagonal is

(a) 15m (b) 16m (c) 17m (d) 20m

Avneet buys 9 square paving slabs, each with a side of m. He lays them in the form of a square.

(a) What is the perimeter of his arrangement [figure (i)]?

(b) Shari does not like his arrangement. She gets him to lay them out like a cross. What is the perimeter of her arrangement [figure (ii)]?

(c) Which has greater perimeter?

(d) Avneet wonders if there is a way of getting an even greater perimeter. Can you find a way of doing this? (The paving slabs must meet along complete edges i.e. they cannot be broken.)

A table-top measures 2 m 25 cm by 1 m 50 cm. What is the perimeter of the table-top?

Q2.What happened to the area of a square if its side is halved

By splitting the following figures into rectangles, find their areas (The measures are given in centimetres).

(a) (b)

Find the cost of fencing a rectangular park of length 175 m and breadth 125 m at the rate of Rs 12 per metre.

1m² is equal to :

Options : a) 10cm²  b)1000cm²  c)10000cm²  d)1cm² 

How many tiles whose length and breadth are 12cm and 5cm respectively will be needed to fit in a rectangular region whose length and breadth are respectively.

a) 100cm and 144cm b) 70cm and 36ccm.

 A wire of length 20 m is to be folded in the form of a rectangle. How many rectangles can be formed by folding the wire if the sides are posettive integerss in meters?

PLEASE EXPLAIN THIS BRIEFLY AS  THIS WEDNES DAY IS MY TEST(14 DECEMBER) AND QUICKLY

The total cost of flooring a room at Rs.8.50 per square metre is Rs. 510. If the length of the room is 8 metres find its breadth.

A piece of string is 30 cm long. What will be the length of each side if the string is used to form:

(a) a square?

(b) an equilateral triangle?

(c) a regular hexagon?

Find the side of the square whose perimeter is 20 m.

The perimeter of a regular pentagon is 100 cm. How long is its each side?

the cost of cultivating a rectangular field at ra 35 per square metre is rs 71400. if the width of the field is 40 m.find its length.also cost of the fencing the field at rs 50 per metre

Bob wants to cover the floor of a room 3m wide and 4.5m long by squared tiles. If each square tile is of side 0.75m,find the cost of flooring the room at the rate of ₹4.50 per tile. Please answer fast , test soon.

there were five peices of cloth o of lenghts 15 m, 21 m, 36 m, 42 m, 48 m. But all of them could be measured in hole units of a measuring rod. What could be the largest lenght of the rod.

find the number of square tiles each of side of 50cm which will be required to cover the floor of a room which is 4m long and 3m wide.

A room is 13 m long and 9 m broad . Find the cost of carpeting the room with a carpet 75 cm broad at rate of 65 Rs per metre

A rectangular fields is 50m by 40m. It has two roads through its center, running parallel to its sides. The width of longer and shorter periods are 1.8m and 2.5m respectively. find the area of the roads and the area of the remaining portion of the fields

 A table- top  measure 2m by1m 50cm .what is its area in sq. m

what is the difference between a rhombus and a diamond ? please also show the diagrams

the area of a rectangular field is 120 sq m.if the perimeter is 46 m,what are its dimensions? 

the ratio of income to the expenditure of a family is 9:4. find the income if the saving is ruppes 3600???

what is a nanogan?

Its a statement.....

It requires 1322 cm long ribbon to tie a cubical gift pack . Find the length of the gift pack if 50 cm ribbon is used in the flower knot?

What to do in this sum?

Whats the formula???

The floor of a rectangular hall is to be covered with a carpet 150 cm. wide. If the length and breadth of the hall are 20m. and 18m. respectively, find the cost of the carpet at the rate of Rs. 10 per metre.

A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced with 4 rows of wires. What is the length of the wire needed?

Place value of a digit decreases by ......................... times as it moves place to place from left to right. Explain how?

A. 10 B. 1/10 C. 367 D. 387