Asked by Anonymous
Two swimming pools have the same area,namely 315m squared. One is circular,the other square. WHICH one has the longest perimeter?
Answers
Answered by
bobpursley
of course, the square.
square: s^2=315, perimeter= 4s=4*sqrt315
circle: PI*r^2, perimeter= PI*2r=PI*2*sqrt315/PI=2*sqrt315
check that.
square: s^2=315, perimeter= 4s=4*sqrt315
circle: PI*r^2, perimeter= PI*2r=PI*2*sqrt315/PI=2*sqrt315
check that.
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