Question

four circle of diameter 2cm each cut from a square piece of an aluminium sheet of 10cm what is the area of aluminium
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Answer 1

Answer:

ANSWER

Here radius of the circle =2cm

area of the circle A

1

=πr

2

=3.14×(2)

2

=3.14×4

=12.56cm

2

side of the aluminium sheet, a=6cm

∴ area of the square shaped aluminium sheet,

A

2

=a

2

=36cm

2

Hence the area of the are aluminum sheet

=A

2

−A

1

=36−12.56

=23.44cm

2