Find the height of wall whose length is 4m and which can be covered by 2400 tiles of size 25cm by 20cm.

how to find area of square

what is the perimeter of a square?

what is area , and perimetre?

what is hecameter

If one square shaped stamp covers 9 squares, what is its area? what is its perimeter?

Round 3,45,287 to the nearest 1000.

what is decameter

How to find the area of pentagon, hexagon, septagon, octagon, nanogon and decagon?

why in area and perimeter 3rd page it is written

area=20cm2

what is that 2 after cm

• what is a perimeter ?

area peimeter

 what is perpendicular line