Math, asked by salu16, 1 year ago

if two adjacent sides of a square paper decreased by 20% and 40% respectively , by what percentage does the new area decrease?

Answers

Answered by SKD11

3

area decrease by 52%
a+b+ab/100

salu16: how?? step pls

SKD11: formula h -20-40+ -20*-40/100

SKD11: ya 100 assume kr le one side

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