Math, asked by perfect8001, 1 year ago

in a handkerchief of diameter 40cm there is a border of 2 cm find the area of the border​

Answers

Answered by apoornimadatta
2

area of border= area of larger circle -area of smaller circle

=22/7×22×22-22/7×20×20

=22/7(22×22-20×20)

=22/7(484-400)

=22/7(84)

=22×12

=264cm^2

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