Question

A punching machine is used to punch a circular hole of diameter two units from a square sheet of aluminum of width 2 units, as shown below. the hole is punched such that the circular hole touches one corner p of the square sheet and the diameter of the hole originating at p is in line with a diagonal of the square. the proportion of the sheet area that remains after punching is:

a.(π + 2)/8

b.(6 - π)/8

c.(4 - π)/4

d.(π - 2)/4

e.(14 - 3π)/6

Answer 1

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