Convert the equation to polar form.
2x=2y

The solution to the problem is as follows:

x = y 
r cos(θ) = r sin(θ) plug in x = r cos(θ) and y = r sin(θ) 
tan(θ) = 1 
θ = π/4 

θ = π/4 

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You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's