A variable

A variable rectangle has a constant area of 35 cm². Find the lengths of the sides when the perimeter is minimum.

Correct answer:

a =  5.9161 cm
b =  5.9161 cm

Step-by-step explanation:

S=35 cm2 S = a b  min p = 2 (a+b)  a=b S = a2  a=S=35=5.9161 cm
b=a=5.9161=5.9161 cm



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