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man holding a flat croissant in his hands. 2D croissants
Triangle ABD right-angled at A showing C on BD, C,D angles equal proving AC equals AD
Grid showing two tangent circles with centers (-6,0) and (3,4), illustrating tangent segment
Computing divergence using polar operator for radial field F(r)=r or (1+r)^2 e_r on plane
flat croissant with strawberry glaze on a white plate
