Question

If the area of a rectangle hexagon are increased by 8 percentage calculate the percentage increase in perimeter of the hexagon?​

Answer 1

Answer:

Initial length be l.

Initial breath be b

Initial Area = l×b

After increasing,

New length = l+20% of l=l+

5

l

=

5

6l

New breath = b+20% of b=b+

3

b

=

5

6b

New area =

25

36lb

% change in area =

lb

25

36lb

−lb

×100=

25

11

×100=44%