Question

Q 9 How many bricks will be required for a wall which is 8 m long, 6m high and 22.5 cm thick, if each brick measures 2
11.25 cm x 6 cm?
Marks (2)​

Answer 1

Answer:volume of wall=8×6×22.5

=1080cm cube

Volume of each brick =2×11.25×6

=135cm cube

No of bricks needed= volume of wall/volume of each brick = 1080/135=8

So 8 bricks are needed

Step-by-step explanation:

Answer 2

Answer:

8000 bricks just see the image for explanation