Question

9. The breadth of a room is 2 times of its length. The length and height of
the room are 15 m and 4 m respectively. The floor of the rooms is set with
stone of the size 50 sq.cm leaving Im margin in all sides. Air is 0.00129
times heavier than water.
A. Find out the parimeter of the room.
B. How many pieces of stone will be needed?
C. How much air is their in the room?
milor nlot of land is 89 m. Its breadth is 60 m. In the​

Answer 1

Answer:

plz mark me as brilliantiest