The sum of the perimeters of an equilateral triangle and a square is 15. Find the dimensions of the triangle and the square that produce a minimum total area.
?

A. side of square:; side of triangle:;
B. side of square:; side of triangle: ;
C. side of square:; side of triangle: ;
D. side of square:; side of triangle: ;
E. side of square:; side of triangle: ;

Answer: B

Mathematics

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