An isosceles triangle has two equal sides.
Perimeter is the sum of all sides
Use formula for the area of triangle
Perimeter is sum of all sides
Square has all equal sides
All sides of the square are equal
Total cost = perimeter x per meter cost
An Equilateral triangle has all sides equal
Perimeter of Square = 4 x side
Let the breadth be 'x' so, the length will become '2x'
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