Question

find the area of shaded region (using π=3.14)​

Answer 1

Answer:

28.26 cm²

Let the raidus of the bigger circle be R

and of smaller circle be r

then,

Area of shaded region= πR²-πr²

=3.14×5²-π×4²

=3.14×25-3.14×16

=78.5-50.24

=28.26 cm²

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