Question

how many square tiles with side 30 cm will be needed to fit a region whose length and breadth are 180cmand 100 cm respectively?​

Answer 1

Step-by-step explanation:

Area of Rectangle = L×B

=(180×100)CM

=18000cm^2

Area of square tile =side×side

=(30cm)^2

=900cm^2

no. of tiles = Area of rectangle

___________________

Area of tile

=18000÷900

=20 tiles

Answer 2

Answer:

area of a rectangle = length × breadth

area of a rectangle = 180cm ×100cm

Step-by-step explanation:

= 18000cm^2 area of a square

= side × side

= 30 × 30 = 900cm^2

no of square tiles required = 18000÷900

=20 tiles