Question

(16) In Riemannian geometry: (a) Some rectangles exist. (b) All rectangles exist. (c) No rectangles exist....

(16) In Riemannian geometry:

(a) Some rectangles exist. (b) All rectangles exist. (c) No rectangles exist. (d) All rectangles have angle-sum more than 360° (e) Rectangles are undefined.

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