Square side

If we enlarge the square side a = 5m, its area will increase by 10,25%. How many percent will the side of the square increase? How many percent will it increase the circumference of the square?

Correct result:

p1 =  5 %
p2 =  5 %

Solution:

a=5 m q=1+10.25100=441400=1.1025  S=a2=52=25 m2 S1=q S=1.1025 25=44116=27.5625 m2  a1=S1=27.5625=214=5.25  p1=100 a1aa=100 5.2555=5%
o=4 a=4 5=20 m o1=4 a1=4 5.25=21 m p2=100 o1oo=100 212020=5%



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