Question

how .any matchstick of size 6cm * 4.5 cm are required by a child to make a wall of size 18 cm * 18cm * 20cm ?

Answer:-
Volume of matchstick = area of base * height = 6*4.5 * 2 = 54
volume of wall = area of base * height = 18*18*20= 6480
Matchstick require to .make wall = 6480/ 54= 120
120 matchstick are needed​

Answer 1

Answer:

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