Question

Example 18 On measuring the sides of a
rectangle, one side is measured 5% more and
another side measured 4% less, the area while calculating, is​

Answer 1

Answer:

As we know that area of rectangle is length*breadth

Step-by-step explanation:

we increase one side by 5% means or 105/100=21/20

and another side by 4% decrement or 96/100=24/25

overall change in percentage of area of rectangle =21/20*24/25*100=100.8%=0.8%(because 100 is original rectangle area )