Question

how many coins of diameter 2cm thikness 2 mm to make cuboid of dimensions 5.2 ,3.2,11​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Let the number of coin be x

x× volume of 1 coin = volume of box

x×πr

2

h=l×b×h

x×

7

22

×

100×2

175

×

100×2

175

×

10

2

=

10

55

×10×

10

35

x=

22×25×175

55×35×100×100×2

=20×20

=400coins