A1C1 = sqrt(A1D1^2+D1C1^2) = sqrt(2)
C1P = sqrt(PC^2+CC1^2) = sqrt(1+1/4) = sqrt(5)/2
A1P = sqrt(A1D^2+DP^2) = sqrt(2+1/4) = 3/2
A1C1 = sqrt(A1D1^2+D1C1^2) = sqrt(2)
C1P = sqrt(PC^2+CC1^2) = sqrt(1+1/4) = sqrt(5)/2
A1P = sqrt(A1D^2+DP^2) = sqrt(2+1/4) = 3/2