Question

how many circular sheets of diameter 20 cm can be cut out from a rectangular metal sheet measuring 160 cm and 60 cm (π.3.14)
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Answer 1

Answer:

find area of circle = pir r square= 22/7 ×10 =31.4 nowusing this find the others

Answer 2

Answer:

Approx 31

Step-by-step explanation:

Diameter= 20

Radius=20/2=10

Length of rectangular sheet= 160 cm

Breadth of rectangular sheet = 60 cm

Area of rectangular sheet

= lxb

= 160 x 60

=9600

so, number of circular sheets cut out from the rectangular sheet are :-

9600

3.14 x 10 x 10

   9600/314

=30.57324840764331

So,we can cut approx 31 31 circles

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