Question

The size of one tile is 3x3 inch square.
Find the number of tiles required
the roof of area 9x9 square feet.
Hind : 1 foot - 10 inches
​

Answer 1

30×30 inches is the answer

Answer 2

Answer:

the size of one tile is 3 x 3 inch square find the number of tiles required to cover the roof of area 9 x 9 square feet