The length of one pair of opposite side of a square is reduced by 10% and that of the other pair of sides increased by 10%. The area of the new rectangle when compared with that of the original square is:
a) the same
b) 1% greater
c) 1% less
d) 5% greater
e) 5% less
Please give explanation :) Thanks

Question

The length of one pair of opposite side of a square is reduced by 10% and that of the other pair of sides increased by 10%. The area of the new rectangle when compared with that of the original square is:
a) the same
b) 1% greater
c) 1% less
d) 5% greater
e) 5% less
Please give explanation :) Thanks

anonymous · Answer

1% to less , because :

anonymous · Answer

Imagine that in the first situation the square had sides with values ​​"10" 100 would be your Area! 
decreasing 10% from one side it will stay with 9 and 10% increase across going gets 11 thus multiply the area of the rectangle is 99 going!

anonymous · Answer

sorry, I'm translating by google!

anonymous · Answer

thank you