If the length of a rectangle is increased by 20% the width is decreased by 20%, the area is :
Created: 6 years ago |
Updated: 3 years ago
best des
Short cut technique,
A + B + AB/100
= 20 - 20 + ( 20 × - 20)/100
= - 4
decreased by 4 %
Md Azizur Rahman
Founder of Satt
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