Math, asked by wiqoyahabdulrahman, 3 months ago

the side of a square is increased from 20cm to 21cm .calculate the percentage increase in its area

Answers

Answered by JomeyStanly

0

Answer:

=20×21/100

=420/100

=4.2%increase

Answered by tania2004

0

Answer:

old area = 20^2 = 400

new area = 21^2 = 441

% increase in area =41/400×100/1=10.25%

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