Math, asked by arjun234bhosale, 6 months ago

how many bricks of size 30cm by 45 cm by 9cm are needed to make a wall which is 15m long , 18 m high and 60 cm thick

Answers

Answered by sarishfatimah6
0

Answer:

Step-by-step explanation:

size of brick one = 3cm

brick two = 45cm

brick three = 9cm

therefore, to see how many bricks of size is needed = 30 + 45 x 9

30 + 45 =  75

now 75 x 9 = 765

hence, brick two is 15m long

brick three is 18m high and brick one is 60cm thick

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